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authorSukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>2009-03-04 12:06:34 -0800
committerAl Viro <viro@zeniv.linux.org.uk>2009-03-27 14:44:03 -0400
commita3ec947c85ec339884b30ef6a08133e9311fdae1 (patch)
treec3cc5859a6b6d8986547405b6c5bd11bc8916114 /kernel/cgroup.c
parent585d3bc06f4ca57f975a5a1f698f65a45ea66225 (diff)
vfs: simple_set_mnt() should return void
simple_set_mnt() is defined as returning 'int' but always returns 0. Callers assume simple_set_mnt() never fails and don't properly cleanup if it were to _ever_ fail. For instance, get_sb_single() and get_sb_nodev() should: up_write(sb->s_unmount); deactivate_super(sb); if simple_set_mnt() fails. Since simple_set_mnt() never fails, would be cleaner if it did not return anything. [akpm@linux-foundation.org: fix build] Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index b01100ebd07..c500ca7239b 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1071,7 +1071,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
mutex_unlock(&cgroup_mutex);
}
- return simple_set_mnt(mnt, sb);
+ simple_set_mnt(mnt, sb);
+ return 0;
free_cg_links:
free_cg_links(&tmp_cg_links);