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fs: Make unload_nls() NULL pointer safe

Browse source 
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 <[email protected]>
Cc: Steve French <[email protected]>
Cc: OGAWA Hirofumi <[email protected]>
Cc: Roman Zippel <[email protected]>
Cc: Dave Kleikamp <[email protected]>
Cc: Petr Vandrovec <[email protected]>
Cc: Anton Altaparmakov <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Thomas Gleixner 2009-08-16 21:05:08 +00:00 • committed by Al Viro
commit 6d729e44a5
12 changed files with 27 additions and 69 deletions
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10
fs/smbfs/inode.c
View file

@ -459,14 +459,8 @@ smb_show_options(struct seq_file *s, struct vfsmount *m)
static void
smb_unload_nls(struct smb_sb_info *server)
{
if (server->remote_nls) {
unload_nls(server->remote_nls);
server->remote_nls = NULL;
}
if (server->local_nls) {
unload_nls(server->local_nls);
server->local_nls = NULL;
}
unload_nls(server->remote_nls);
unload_nls(server->local_nls);
}
static void