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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-16 21:05:08 +0000 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-09-24 07:47:42 -0400 |
| commit | 6d729e44a55547c009d7a87ea66bff21a8e0afea (patch) | |
| tree | c27e69babb9b397ad56cb20a935b75c35ceb364f /fs/befs/linuxvfs.c | |
| parent | 4504230a71566785a05d3e6b53fa1ee071b864eb (diff) | |
| download | linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.tar.gz linux-6d729e44a55547c009d7a87ea66bff21a8e0afea.tar.bz2 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/linuxvfs.c')
| -rw-r--r-- | fs/befs/linuxvfs.c | 7 |
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; } |