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hvc_console: Make the ops pointer const.

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This is nicer for modern R/O protection.  And noone needs it non-const, so
constify the callers as well.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: linuxppc-dev@ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Rusty Russell 2010-01-18 03:44:57 +00:00 committed by Benjamin Herrenschmidt
parent 7b62922a07
commit b511306858
9 changed files with 15 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/char/hvc_beat.c
View file

@ -84,7 +84,7 @@ static int hvc_beat_put_chars(uint32_t vtermno, const char *buf, int cnt)
return cnt;
}
static struct hv_ops hvc_beat_get_put_ops = {
static const struct hv_ops hvc_beat_get_put_ops = {
.get_chars = hvc_beat_get_chars,
.put_chars = hvc_beat_put_chars,
};

7
drivers/char/hvc_console.c
View file

@ -125,7 +125,7 @@ static struct hvc_struct *hvc_get_by_index(int index)
* console interfaces but can still be used as a tty device. This has to be
* static because kmalloc will not work during early console init.
*/
static struct hv_ops *cons_ops[MAX_NR_HVC_CONSOLES];
static const struct hv_ops *cons_ops[MAX_NR_HVC_CONSOLES];
static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] =
{[0 ... MAX_NR_HVC_CONSOLES - 1] = -1};
@ -247,7 +247,7 @@ static void destroy_hvc_struct(struct kref *kref)
* vty adapters do NOT get an hvc_instantiate() callback since they
* appear after early console init.
*/
int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops)
int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops)
{
struct hvc_struct *hp;
@ -749,7 +749,8 @@ static const struct tty_operations hvc_ops = {
};
struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int data,
struct hv_ops *ops, int outbuf_size)
const struct hv_ops *ops,
int outbuf_size)
{
struct hvc_struct *hp;
int i;

7
drivers/char/hvc_console.h
View file

@ -55,7 +55,7 @@ struct hvc_struct {
int outbuf_size;
int n_outbuf;
uint32_t vtermno;
struct hv_ops *ops;
const struct hv_ops *ops;
int irq_requested;
int data;
struct winsize ws;
@ -76,11 +76,12 @@ struct hv_ops {
};
/* Register a vterm and a slot index for use as a console (console_init) */
extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
extern int hvc_instantiate(uint32_t vtermno, int index,
const struct hv_ops *ops);
/* register a vterm for hvc tty operation (module_init or hotplug add) */
extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int data,
struct hv_ops *ops, int outbuf_size);
const struct hv_ops *ops, int outbuf_size);
/* remove a vterm from hvc tty operation (module_exit or hotplug remove) */
extern int hvc_remove(struct hvc_struct *hp);

2
drivers/char/hvc_iseries.c
View file

@ -197,7 +197,7 @@ done:
return sent;
}
static struct hv_ops hvc_get_put_ops = {
static const struct hv_ops hvc_get_put_ops = {
.get_chars = get_chars,
.put_chars = put_chars,
.notifier_add = notifier_add_irq,

2
drivers/char/hvc_iucv.c
View file

@ -922,7 +922,7 @@ static int hvc_iucv_pm_restore_thaw(struct device *dev)
/* HVC operations */
static struct hv_ops hvc_iucv_ops = {
static const struct hv_ops hvc_iucv_ops = {
.get_chars = hvc_iucv_get_chars,
.put_chars = hvc_iucv_put_chars,
.notifier_add = hvc_iucv_notifier_add,

2
drivers/char/hvc_rtas.c
View file

@ -71,7 +71,7 @@ static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count)
return i;
}
static struct hv_ops hvc_rtas_get_put_ops = {
static const struct hv_ops hvc_rtas_get_put_ops = {
.get_chars = hvc_rtas_read_console,
.put_chars = hvc_rtas_write_console,
};

2
drivers/char/hvc_udbg.c
View file

@ -58,7 +58,7 @@ static int hvc_udbg_get(uint32_t vtermno, char *buf, int count)
return i;
}
static struct hv_ops hvc_udbg_ops = {
static const struct hv_ops hvc_udbg_ops = {
.get_chars = hvc_udbg_get,
.put_chars = hvc_udbg_put,
};

2
drivers/char/hvc_vio.c
View file

@ -77,7 +77,7 @@ static int filtered_get_chars(uint32_t vtermno, char *buf, int count)
return got;
}
static struct hv_ops hvc_get_put_ops = {
static const struct hv_ops hvc_get_put_ops = {
.get_chars = filtered_get_chars,
.put_chars = hvc_put_chars,
.notifier_add = notifier_add_irq,

2
drivers/char/hvc_xen.c
View file

@ -122,7 +122,7 @@ static int read_console(uint32_t vtermno, char *buf, int len)
return recv;
}
static struct hv_ops hvc_ops = {
static const struct hv_ops hvc_ops = {
.get_chars = read_console,
.put_chars = write_console,
.notifier_add = notifier_add_irq,