lockd: fix sparse warning in svcshare.c

fs/lockd/svcshare.c:74:50: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

diff --git a/fs/lockd/svcshare.c b/fs/lockd/svcshare.c
index 068886d..b0ae070 100644 (file)
--- a/fs/lockd/svcshare.c
+++ b/fs/lockd/svcshare.c
@@ -71,7 +71,8 @@ nlmsvc_unshare_file(struct nlm_host *host, struct nlm_file *file,
        struct nlm_share        *share, **shpp;
        struct xdr_netobj       *oh = &argp->lock.oh;
 
-       for (shpp = &file->f_shares; (share = *shpp) != 0; shpp = &share->s_next) {
+       for (shpp = &file->f_shares; (share = *shpp) != NULL;
+                                       shpp = &share->s_next) {
                if (share->s_host == host && nlm_cmp_owner(share, oh)) {
                        *shpp = share->s_next;
                        kfree(share);