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[PATCH] paride-pt: register_chrdev fix 

If the user specified `major=0' (odd thing to do), pt.c will use dynamic
allocation.  We need to pick up that major for subsequent unregister_chrdev().

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2006-03-28 01:56:18 -08:00 committed by Linus Torvalds
parent 8637980bab
commit 829d5f68ec
1 changed files with 5 additions and 3 deletions
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8
drivers/block/paride/pt.c
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@ -943,7 +943,8 @@ static ssize_t pt_write(struct file *filp, const char __user *buf, size_t count,
static int __init pt_init(void)
{
int unit, err = 0;
int unit;
int err;
if (disable) {
err = -1;
@ -955,14 +956,15 @@ static int __init pt_init(void)
goto out;
}
if (register_chrdev(major, name, &pt_fops)) {
err = register_chrdev(major, name, &pt_fops);
if (err < 0) {
printk("pt_init: unable to get major number %d\n", major);
for (unit = 0; unit < PT_UNITS; unit++)
if (pt[unit].present)
pi_release(pt[unit].pi);
err = -1;
goto out;
}
major = err;
pt_class = class_create(THIS_MODULE, "pt");
if (IS_ERR(pt_class)) {
err = PTR_ERR(pt_class);