From 1e0aa9ad721349781b728ec4226876247e3fd431 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:08 -0600 Subject: [PATCH 1/6] PNP: fix up after Lindent More manual fixups after Lindent. No functional change. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/card.c | 16 ++++++++-------- drivers/pnp/driver.c | 2 +- drivers/pnp/interface.c | 9 +++++---- drivers/pnp/isapnp/core.c | 15 ++++++--------- drivers/pnp/manager.c | 4 ++-- drivers/pnp/pnpacpi/core.c | 4 ++-- drivers/pnp/pnpacpi/rsparser.c | 1 + drivers/pnp/pnpbios/core.c | 1 + drivers/pnp/pnpbios/proc.c | 2 +- drivers/pnp/pnpbios/rsparser.c | 9 +++++---- 10 files changed, 32 insertions(+), 31 deletions(-) diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index b6a4f02b01d1..6c0440c20e31 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -25,13 +25,13 @@ static const struct pnp_card_device_id *match_card(struct pnp_card_driver *drv, int found; struct pnp_dev *dev; - if (i == PNP_MAX_DEVICES - || !*drv_id->devs[i].id) + if (i == PNP_MAX_DEVICES || + !*drv_id->devs[i].id) return drv_id; found = 0; card_for_each_dev(card, dev) { - if (compare_pnp_id - (dev->id, drv_id->devs[i].id)) { + if (compare_pnp_id(dev->id, + drv_id->devs[i].id)) { found = 1; break; } @@ -183,7 +183,7 @@ static int pnp_interface_attach_card(struct pnp_card *card) return 0; - err_name: +err_name: device_remove_file(&card->dev, &dev_attr_name); return rc; } @@ -321,10 +321,10 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, pos = pos->next; } - done: +done: return NULL; - found: +found: dev->card_link = clink; dev->dev.driver = &drv->link.driver; if (pnp_bus_type.probe(&dev->dev)) @@ -334,7 +334,7 @@ struct pnp_dev *pnp_request_card_device(struct pnp_card_link *clink, return dev; - err_out: +err_out: dev->dev.driver = NULL; dev->card_link = NULL; return NULL; diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 30b8f6f3258a..9be01b0433b9 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -118,7 +118,7 @@ static int pnp_device_probe(struct device *dev) goto fail; return error; - fail: +fail: pnp_device_detach(pnp_dev); return error; } diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index fe6684e13e82..a0cfb75bbb8d 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -459,7 +459,8 @@ pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr, up(&pnp_res_mutex); goto done; } - done: + +done: if (retval < 0) return retval; return count; @@ -499,10 +500,10 @@ int pnp_interface_attach_device(struct pnp_dev *dev) return 0; - err_res: +err_res: device_remove_file(&dev->dev, &dev_attr_resources); - err_opt: +err_opt: device_remove_file(&dev->dev, &dev_attr_options); - err: +err: return rc; } diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index b4e2aa995b53..32386ce60478 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -335,7 +335,7 @@ static int __init isapnp_isolate(void) } else if (iteration > 1) { break; } - __next: +__next: if (csn == 255) break; checksum = 0x6a; @@ -733,7 +733,7 @@ static int __init isapnp_create_device(struct pnp_card *card, "isapnp: unexpected or unknown tag type 0x%x for logical device %i (device %i), ignored\n", type, dev->number, card->number); } - __skip: +__skip: if (size > 0) isapnp_skip_bytes(size); } @@ -788,7 +788,7 @@ static void __init isapnp_parse_resource_map(struct pnp_card *card) "isapnp: unexpected or unknown tag type 0x%x for device %i, ignored\n", type, card->number); } - __skip: +__skip: if (size > 0) isapnp_skip_bytes(size); } @@ -940,9 +940,6 @@ EXPORT_SYMBOL(isapnp_protocol); EXPORT_SYMBOL(isapnp_present); EXPORT_SYMBOL(isapnp_cfg_begin); EXPORT_SYMBOL(isapnp_cfg_end); -#if 0 -EXPORT_SYMBOL(isapnp_read_byte); -#endif EXPORT_SYMBOL(isapnp_write_byte); static int isapnp_read_resources(struct pnp_dev *dev, @@ -993,6 +990,7 @@ static int isapnp_get_resources(struct pnp_dev *dev, struct pnp_resource_table *res) { int ret; + pnp_init_resource_table(res); isapnp_cfg_begin(dev->card->number, dev->number); ret = isapnp_read_resources(dev, res); @@ -1148,13 +1146,12 @@ static int __init isapnp_init(void) } } } - if (cards) { + if (cards) printk(KERN_INFO "isapnp: %i Plug & Play card%s detected total\n", cards, cards > 1 ? "s" : ""); - } else { + else printk(KERN_INFO "isapnp: No Plug & Play card found\n"); - } isapnp_proc_init(); return 0; diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index 3bda513a6bd3..329dc6c18384 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -390,7 +390,7 @@ static int pnp_assign_resources(struct pnp_dev *dev, int depnum) up(&pnp_res_mutex); return 1; - fail: +fail: pnp_clean_resource_table(&dev->res); up(&pnp_res_mutex); return 0; @@ -444,7 +444,7 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, kfree(bak); return 0; - fail: +fail: dev->res = *bak; up(&pnp_res_mutex); kfree(bak); diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 616fc72190bf..a5a372222d69 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -248,9 +248,9 @@ static int __init pnpacpi_add_device(struct acpi_device *device) num++; return AE_OK; - err1: +err1: kfree(dev_id); - err: +err: kfree(dev); return -EINVAL; } diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index ce5027feb3da..51478c084220 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -35,6 +35,7 @@ static int irq_flags(int triggering, int polarity) { int flag; + if (triggering == ACPI_LEVEL_SENSITIVE) { if (polarity == ACPI_ACTIVE_LOW) flag = IORESOURCE_IRQ_LOWLEVEL; diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 3692a099b45f..9892a6afe46c 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -591,6 +591,7 @@ subsys_initcall(pnpbios_init); static int __init pnpbios_thread_init(void) { struct task_struct *task; + #if defined(CONFIG_PPC_MERGE) if (check_legacy_ioport(PNPBIOS_BASE)) return 0; diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c index 9c8c07701b65..9d9841f24a85 100644 --- a/drivers/pnp/pnpbios/proc.c +++ b/drivers/pnp/pnpbios/proc.c @@ -212,7 +212,7 @@ static int proc_write_node(struct file *file, const char __user * buf, goto out; } ret = count; - out: +out: kfree(node); return ret; } diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index 04ecd7b67230..3fabf11b0027 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -238,7 +238,7 @@ static unsigned char *pnpbios_parse_allocated_resource_data(unsigned char *p, break; default: /* an unkown tag */ - len_err: +len_err: printk(KERN_ERR "PnPBIOS: Unknown tag '0x%x', length '%d'.\n", tag, len); @@ -298,6 +298,7 @@ static void pnpbios_parse_fixed_mem32_option(unsigned char *p, int size, struct pnp_option *option) { struct pnp_mem *mem; + mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); if (!mem) return; @@ -468,7 +469,7 @@ static unsigned char *pnpbios_parse_resource_option_data(unsigned char *p, return p + 2; default: /* an unkown tag */ - len_err: +len_err: printk(KERN_ERR "PnPBIOS: Unknown tag '0x%x', length '%d'.\n", tag, len); @@ -562,7 +563,7 @@ static unsigned char *pnpbios_parse_compatible_ids(unsigned char *p, break; default: /* an unkown tag */ - len_err: +len_err: printk(KERN_ERR "PnPBIOS: Unknown tag '0x%x', length '%d'.\n", tag, len); @@ -756,7 +757,7 @@ static unsigned char *pnpbios_encode_allocated_resource_data(unsigned char *p, break; default: /* an unkown tag */ - len_err: +len_err: printk(KERN_ERR "PnPBIOS: Unknown tag '0x%x', length '%d'.\n", tag, len); From 4cec086b219224167c22dd020d3dd2d9220e1d98 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:09 -0600 Subject: [PATCH 2/6] PNPACPI: simplify irq_flags() No need for a temporary variable; just return the flags once we know them. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/pnpacpi/rsparser.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 51478c084220..a0784fe5bcd8 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -34,20 +34,17 @@ */ static int irq_flags(int triggering, int polarity) { - int flag; - if (triggering == ACPI_LEVEL_SENSITIVE) { if (polarity == ACPI_ACTIVE_LOW) - flag = IORESOURCE_IRQ_LOWLEVEL; + return IORESOURCE_IRQ_LOWLEVEL; else - flag = IORESOURCE_IRQ_HIGHLEVEL; + return IORESOURCE_IRQ_HIGHLEVEL; } else { if (polarity == ACPI_ACTIVE_LOW) - flag = IORESOURCE_IRQ_LOWEDGE; + return IORESOURCE_IRQ_LOWEDGE; else - flag = IORESOURCE_IRQ_HIGHEDGE; + return IORESOURCE_IRQ_HIGHEDGE; } - return flag; } static void decode_irq_flags(int flag, int *triggering, int *polarity) From 4721a4cc8864f0eb92958c3e0479e7994e8b0072 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:10 -0600 Subject: [PATCH 3/6] PNPACPI: remove unnecessary casts of "void *" Remove unnecessary casts of void pointers. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/pnpacpi/rsparser.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index a0784fe5bcd8..0e3b8d0ff06b 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -240,8 +240,7 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_resource_table *res static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, void *data) { - struct pnp_resource_table *res_table = - (struct pnp_resource_table *)data; + struct pnp_resource_table *res_table = data; int i; switch (res->type) { @@ -564,8 +563,7 @@ static acpi_status pnpacpi_option_resource(struct acpi_resource *res, void *data) { int priority = 0; - struct acpipnp_parse_option_s *parse_data = - (struct acpipnp_parse_option_s *)data; + struct acpipnp_parse_option_s *parse_data = data; struct pnp_dev *dev = parse_data->dev; struct pnp_option *option = parse_data->option; @@ -703,7 +701,7 @@ static int pnpacpi_supported_resource(struct acpi_resource *res) static acpi_status pnpacpi_count_resources(struct acpi_resource *res, void *data) { - int *res_cnt = (int *)data; + int *res_cnt = data; if (pnpacpi_supported_resource(res)) (*res_cnt)++; @@ -712,7 +710,7 @@ static acpi_status pnpacpi_count_resources(struct acpi_resource *res, static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data) { - struct acpi_resource **resource = (struct acpi_resource **)data; + struct acpi_resource **resource = data; if (pnpacpi_supported_resource(res)) { (*resource)->type = res->type; @@ -884,8 +882,7 @@ int pnpacpi_encode_resources(struct pnp_resource_table *res_table, int i = 0; /* pnpacpi_build_resource_template allocates extra mem */ int res_cnt = (buffer->length - 1) / sizeof(struct acpi_resource) - 1; - struct acpi_resource *resource = - (struct acpi_resource *)buffer->pointer; + struct acpi_resource *resource = buffer->pointer; int port = 0, irq = 0, dma = 0, mem = 0; pnp_dbg("res cnt %d", res_cnt); From 6c504d30a48157b7c05a0dfb6a799c72095e957d Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:11 -0600 Subject: [PATCH 4/6] ISAPNP: removed unused isapnp_detected and ISAPNP_DEBUG ISAPNP_DEBUG isn't used at all. isapnp_detected is set but never read. So remove them both. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/isapnp/core.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 32386ce60478..1a0d33a12862 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -47,9 +47,6 @@ #if 0 #define ISAPNP_REGION_OK #endif -#if 0 -#define ISAPNP_DEBUG -#endif int isapnp_disable; /* Disable ISA PnP */ static int isapnp_rdp; /* Read Data Port */ @@ -93,7 +90,6 @@ MODULE_LICENSE("GPL"); static unsigned char isapnp_checksum_value; static DEFINE_MUTEX(isapnp_cfg_mutex); -static int isapnp_detected; static int isapnp_csn_count; /* some prototypes */ @@ -1067,7 +1063,6 @@ static int __init isapnp_init(void) struct pnp_dev *dev; if (isapnp_disable) { - isapnp_detected = 0; printk(KERN_INFO "isapnp: ISA Plug & Play support disabled\n"); return 0; } @@ -1115,7 +1110,6 @@ static int __init isapnp_init(void) } isapnp_set_rdp(); } - isapnp_detected = 1; if (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff) { cards = isapnp_isolate(); if (cards < 0 || (isapnp_rdp < 0x203 || isapnp_rdp > 0x3ff)) { @@ -1123,7 +1117,6 @@ static int __init isapnp_init(void) release_region(_PIDXR, 1); #endif release_region(_PNPWRP, 1); - isapnp_detected = 0; printk(KERN_INFO "isapnp: No Plug & Play device found\n"); return 0; From 4f0217e30249ac0eb13b65ef64f2aee627465da2 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:12 -0600 Subject: [PATCH 5/6] PNP: remove MODULE infrastructure We don't support building any part of PNP as a module (*drivers* can be modules, of course, but the PNP infrastructure itself can not). Since MODULE will never be defined, remove the ifdefs and dead code. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/isapnp/proc.c | 45 -------------------------------------- drivers/pnp/pnpbios/core.c | 43 ------------------------------------ 2 files changed, 88 deletions(-) diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c index 3fbc0f9ffc26..560ccb640816 100644 --- a/drivers/pnp/isapnp/proc.c +++ b/drivers/pnp/isapnp/proc.c @@ -112,33 +112,6 @@ static int isapnp_proc_attach_device(struct pnp_dev *dev) return 0; } -#ifdef MODULE -static int __exit isapnp_proc_detach_device(struct pnp_dev *dev) -{ - struct pnp_card *bus = dev->card; - struct proc_dir_entry *de; - char name[16]; - - if (!(de = bus->procdir)) - return -EINVAL; - sprintf(name, "%02x", dev->number); - remove_proc_entry(name, de); - return 0; -} - -static int __exit isapnp_proc_detach_bus(struct pnp_card *bus) -{ - struct proc_dir_entry *de; - char name[16]; - - if (!(de = bus->procdir)) - return -EINVAL; - sprintf(name, "%02x", bus->number); - remove_proc_entry(name, isapnp_proc_bus_dir); - return 0; -} -#endif /* MODULE */ - int __init isapnp_proc_init(void) { struct pnp_dev *dev; @@ -149,21 +122,3 @@ int __init isapnp_proc_init(void) } return 0; } - -#ifdef MODULE -int __exit isapnp_proc_done(void) -{ - struct pnp_dev *dev; - struct pnp_bus *card; - - isapnp_for_each_dev(dev) { - isapnp_proc_detach_device(dev); - } - isapnp_for_each_card(card) { - isapnp_proc_detach_bus(card); - } - if (isapnp_proc_bus_dir) - remove_proc_entry("isapnp", proc_bus); - return 0; -} -#endif /* MODULE */ diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 9892a6afe46c..0691f473e9d4 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -419,7 +419,6 @@ static void __init build_devlist(void) static int pnpbios_disabled; int pnpbios_dont_use_current_config; -#ifndef MODULE static int __init pnpbios_setup(char *str) { int invert; @@ -443,7 +442,6 @@ static int __init pnpbios_setup(char *str) } __setup("pnpbios=", pnpbios_setup); -#endif /* PnP BIOS signature: "$PnP" */ #define PNP_SIGNATURE (('$' << 0) + ('P' << 8) + ('n' << 16) + ('P' << 24)) @@ -607,48 +605,7 @@ static int __init pnpbios_thread_init(void) return 0; } -#ifndef MODULE - -/* init/main.c calls pnpbios_init early */ - /* Start the kernel thread later: */ module_init(pnpbios_thread_init); -#else - -/* - * N.B.: Building pnpbios as a module hasn't been fully implemented - */ - -MODULE_LICENSE("GPL"); - -static int __init pnpbios_init_all(void) -{ - int r; - - r = pnpbios_init(); - if (r) - return r; - r = pnpbios_thread_init(); - if (r) - return r; - return 0; -} - -static void __exit pnpbios_exit(void) -{ -#ifdef CONFIG_HOTPLUG - unloading = 1; - wait_for_completion(&unload_sem); -#endif - pnpbios_proc_exit(); - /* We ought to free resources here */ - return; -} - -module_init(pnpbios_init_all); -module_exit(pnpbios_exit); - -#endif - EXPORT_SYMBOL(pnpbios_protocol); From b173491339b9ae7f1322241ce6228c1268513a39 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:13 -0600 Subject: [PATCH 6/6] PNP: remove null pointer checks Remove some null pointer checks. Null pointers in these areas indicate programming errors, and I think it's better to oops immediately rather than return an error that is easily ignored. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/core.c | 7 +------ drivers/pnp/driver.c | 4 ---- drivers/pnp/isapnp/core.c | 2 +- drivers/pnp/manager.c | 23 ----------------------- drivers/pnp/resource.c | 26 -------------------------- 5 files changed, 2 insertions(+), 60 deletions(-) diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index 61066fdb9e6d..d5964feb14de 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -52,9 +52,6 @@ int pnp_register_protocol(struct pnp_protocol *protocol) int nodenum; struct list_head *pos; - if (!protocol) - return -EINVAL; - INIT_LIST_HEAD(&protocol->devices); INIT_LIST_HEAD(&protocol->cards); nodenum = 0; @@ -94,8 +91,6 @@ static void pnp_free_ids(struct pnp_dev *dev) struct pnp_id *id; struct pnp_id *next; - if (!dev) - return; id = dev->id; while (id) { next = id->next; @@ -143,7 +138,7 @@ int __pnp_add_device(struct pnp_dev *dev) */ int pnp_add_device(struct pnp_dev *dev) { - if (!dev || !dev->protocol || dev->card) + if (dev->card) return -EINVAL; dev->dev.parent = &dev->protocol->dev; sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number, diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 9be01b0433b9..2fa64a6b25c8 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -232,10 +232,6 @@ int pnp_add_id(struct pnp_id *id, struct pnp_dev *dev) { struct pnp_id *ptr; - if (!id) - return -EINVAL; - if (!dev) - return -EINVAL; id->next = NULL; ptr = dev->id; while (ptr && ptr->next) diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index 1a0d33a12862..b035d60a1dcc 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -1040,7 +1040,7 @@ static int isapnp_set_resources(struct pnp_dev *dev, static int isapnp_disable_resources(struct pnp_dev *dev) { - if (!dev || !dev->active) + if (!dev->active) return -EINVAL; isapnp_cfg_begin(dev->card->number, dev->number); isapnp_deactivate(dev->number); diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index 329dc6c18384..0826287eef53 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -21,9 +21,6 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx) resource_size_t *start, *end; unsigned long *flags; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_PORT) { pnp_err ("More than 4 ports is incompatible with pnp specifications."); @@ -66,9 +63,6 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) resource_size_t *start, *end; unsigned long *flags; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_MEM) { pnp_err ("More than 8 mems is incompatible with pnp specifications."); @@ -127,9 +121,6 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) 5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2 }; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_IRQ) { pnp_err ("More than 2 irqs is incompatible with pnp specifications."); @@ -181,9 +172,6 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) 1, 3, 5, 6, 7, 0, 2, 4 }; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_DMA) { pnp_err ("More than 2 dmas is incompatible with pnp specifications."); @@ -410,8 +398,6 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, int i; struct pnp_resource_table *bak; - if (!dev || !res) - return -EINVAL; if (!pnp_can_configure(dev)) return -ENODEV; bak = pnp_alloc(sizeof(struct pnp_resource_table)); @@ -460,9 +446,6 @@ int pnp_auto_config_dev(struct pnp_dev *dev) struct pnp_option *dep; int i = 1; - if (!dev) - return -EINVAL; - if (!pnp_can_configure(dev)) { pnp_dbg("Device %s does not support resource configuration.", dev->dev.bus_id); @@ -541,8 +524,6 @@ int pnp_activate_dev(struct pnp_dev *dev) { int error; - if (!dev) - return -EINVAL; if (dev->active) return 0; /* the device is already active */ @@ -568,8 +549,6 @@ int pnp_disable_dev(struct pnp_dev *dev) { int error; - if (!dev) - return -EINVAL; if (!dev->active) return 0; /* the device is already disabled */ @@ -596,8 +575,6 @@ int pnp_disable_dev(struct pnp_dev *dev) void pnp_resource_change(struct resource *resource, resource_size_t start, resource_size_t size) { - if (resource == NULL) - return; resource->flags &= ~(IORESOURCE_AUTO | IORESOURCE_UNSET); resource->start = start; resource->end = start + size - 1; diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index ea6ec14a0559..ef1286900db3 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -47,9 +47,6 @@ struct pnp_option *pnp_register_independent_option(struct pnp_dev *dev) { struct pnp_option *option; - if (!dev) - return NULL; - option = pnp_build_option(PNP_RES_PRIORITY_PREFERRED); /* this should never happen but if it does we'll try to continue */ @@ -64,9 +61,6 @@ struct pnp_option *pnp_register_dependent_option(struct pnp_dev *dev, { struct pnp_option *option; - if (!dev) - return NULL; - option = pnp_build_option(priority); if (dev->dependent) { @@ -83,11 +77,6 @@ int pnp_register_irq_resource(struct pnp_option *option, struct pnp_irq *data) { struct pnp_irq *ptr; - if (!option) - return -EINVAL; - if (!data) - return -EINVAL; - ptr = option->irq; while (ptr && ptr->next) ptr = ptr->next; @@ -112,11 +101,6 @@ int pnp_register_dma_resource(struct pnp_option *option, struct pnp_dma *data) { struct pnp_dma *ptr; - if (!option) - return -EINVAL; - if (!data) - return -EINVAL; - ptr = option->dma; while (ptr && ptr->next) ptr = ptr->next; @@ -132,11 +116,6 @@ int pnp_register_port_resource(struct pnp_option *option, struct pnp_port *data) { struct pnp_port *ptr; - if (!option) - return -EINVAL; - if (!data) - return -EINVAL; - ptr = option->port; while (ptr && ptr->next) ptr = ptr->next; @@ -152,11 +131,6 @@ int pnp_register_mem_resource(struct pnp_option *option, struct pnp_mem *data) { struct pnp_mem *ptr; - if (!option) - return -EINVAL; - if (!data) - return -EINVAL; - ptr = option->mem; while (ptr && ptr->next) ptr = ptr->next;