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authorThomas Gleixner <tglx@linutronix.de>2009-08-16 21:05:08 +0000
committerAl Viro <viro@zeniv.linux.org.uk>2009-09-24 07:47:42 -0400
commit6d729e44a55547c009d7a87ea66bff21a8e0afea (patch)
treec27e69babb9b397ad56cb20a935b75c35ceb364f /fs/befs
parent4504230a71566785a05d3e6b53fa1ee071b864eb (diff)
downloadblackbird-op-linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.tar.gz
blackbird-op-linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.zip
fs: Make unload_nls() NULL pointer safe
Most call sites of unload_nls() do: if (nls) unload_nls(nls); Check the pointer inside unload_nls() like we do in kfree() and simplify the call sites. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Steve French <sfrench@us.ibm.com> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Dave Kleikamp <shaggy@linux.vnet.ibm.com> Cc: Petr Vandrovec <vandrove@vc.cvut.cz> Cc: Anton Altaparmakov <aia21@cantab.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/befs')
-rw-r--r--fs/befs/linuxvfs.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index dd376c124e71..33baf27fac78 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -737,12 +737,7 @@ befs_put_super(struct super_block *sb)
{
kfree(BEFS_SB(sb)->mount_opts.iocharset);
BEFS_SB(sb)->mount_opts.iocharset = NULL;
-
- if (BEFS_SB(sb)->nls) {
- unload_nls(BEFS_SB(sb)->nls);
- BEFS_SB(sb)->nls = NULL;
- }
-
+ unload_nls(BEFS_SB(sb)->nls);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}
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