The patch titled
unregister_blkdev(): do WARN_ON on failure
has been added to the -mm tree. Its filename is
unregister_blkdev-do-warn_on-on-failure.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: unregister_blkdev(): do WARN_ON on failure
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
When unregister_blkdev() has failed, something wrong happened. This patch
adds WARN_ON to notify of such badness.
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
block/genhd.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff -puN block/genhd.c~unregister_blkdev-do-warn_on-on-failure block/genhd.c
--- a/block/genhd.c~unregister_blkdev-do-warn_on-on-failure
+++ a/block/genhd.c
@@ -120,9 +120,10 @@ int unregister_blkdev(unsigned int major
for (n = &major_names[index]; *n; n = &(*n)->next)
if ((*n)->major == major)
break;
- if (!*n || strcmp((*n)->name, name))
+ if (!*n || strcmp((*n)->name, name)) {
+ WARN_ON(1);
ret = -EINVAL;
- else {
+ } else {
p = *n;
*n = p->next;
}
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
git-dvb.patch
git-netdev-all.patch
auth_gss-unregister-gss_domain-when-unloading-module.patch
fault-injection-add-min-order-parameter-to-fail_page_alloc.patch
fault-injection-fix-example-scripts-in-documentation.patch
unregister_chrdev-ignore-the-return-value.patch
unregister_chrdev-return-void.patch
unregister_blkdev-do-warn_on-on-failure.patch
unregister_blkdev-delete-redundant-messages-in-callers.patch
unregister_blkdev-delete-redundant-message.patch
unregister_blkdev-return-void.patch
-
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