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authorAndrew Morton <akpm@osdl.org>2006-03-28 01:56:19 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 09:16:02 -0800
commit6d9eac34104654aa129e365b8d48bbb8c957f186 (patch)
tree47b81aaebb9903df4bdaacad963ca4ee2bf04204 /drivers
parent829d5f68ec59ff7c0fdd472132680df8e4b64f3e (diff)
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[PATCH] capi: register_chrdev() fix
If the user specified `major=0' (odd thing to do), capi.c will use dynamic allocation. We need to pick up that major for subsequent unregister_chrdev(). Acked-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/isdn/capi/capi.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 623adbb..9b493f0 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1485,6 +1485,7 @@ static int __init capi_init(void)
{
char *p;
char *compileinfo;
+ int major_ret;
if ((p = strchr(revision, ':')) != 0 && p[1]) {
strlcpy(rev, p + 2, sizeof(rev));
@@ -1493,11 +1494,12 @@ static int __init capi_init(void)
} else
strcpy(rev, "1.0");
- if (register_chrdev(capi_major, "capi20", &capi_fops)) {
+ major_ret = register_chrdev(capi_major, "capi20", &capi_fops);
+ if (major_ret < 0) {
printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
- return -EIO;
+ return major_ret;
}
-
+ capi_major = major_ret;
capi_class = class_create(THIS_MODULE, "capi");
if (IS_ERR(capi_class)) {
unregister_chrdev(capi_major, "capi20");