[Cluster-devel] dlm: Fix uninitialised variable warning in lock.c

[Steven Whitehouse]

  CC [M]  fs/dlm/lock.o
fs/dlm/lock.c: In function ‘find_rsb’:
fs/dlm/lock.c:438: warning: ‘r’ may be used uninitialized in this function

Since r is used on the error path to set r_ret, set it to NULL.

Signed-off-by: Steven Whitehouse <swhit...@redhat.com>


diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index 205ec95..eb507c4 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -435,7 +435,7 @@ static int search_rsb(struct dlm_ls *ls, char *name, int 
len, int b,
 static int find_rsb(struct dlm_ls *ls, char *name, int namelen,
                    unsigned int flags, struct dlm_rsb **r_ret)
 {
-       struct dlm_rsb *r, *tmp;
+       struct dlm_rsb *r = NULL, *tmp;
        uint32_t hash, bucket;
        int error = -EINVAL;