aboutsummaryrefslogtreecommitdiffstats
path: root/block/genhd.c
diff options
context:
space:
mode:
authorAkinobu Mita <akinobu.mita@gmail.com>2007-07-17 07:03:45 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 13:23:03 -0400
commit294462a5c6c4fb9a6ced9cb5a368ff335f1b656e (patch)
treea73c650050ec3b84b09a87d349a738113be3c093 /block/genhd.c
parent62239ac2b301abc397e70986649666cfb7835907 (diff)
unregister_blkdev(): do WARN_ON on failure
When unregister_blkdev() has failed, something wrong happened. This patch adds WARN_ON to notify of such badness. Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'block/genhd.c')
-rw-r--r--block/genhd.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/genhd.c b/block/genhd.c
index b321cadd6e65..7f71b2c472b8 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -120,9 +120,10 @@ int unregister_blkdev(unsigned int major, const char *name)
120 for (n = &major_names[index]; *n; n = &(*n)->next) 120 for (n = &major_names[index]; *n; n = &(*n)->next)
121 if ((*n)->major == major) 121 if ((*n)->major == major)
122 break; 122 break;
123 if (!*n || strcmp((*n)->name, name)) 123 if (!*n || strcmp((*n)->name, name)) {
124 WARN_ON(1);
124 ret = -EINVAL; 125 ret = -EINVAL;
125 else { 126 } else {
126 p = *n; 127 p = *n;
127 *n = p->next; 128 *n = p->next;
128 } 129 }