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dlm: fix uninitialized variable for search_rsb_list callers 

gcc 4.3.0 correctly emits the following warning.
search_rsb_list does not *r_ret if no dlm_rsb is found
and _search_rsb may pass the uninitialized value upstream
on the error path when both calls to search_rsb_list
return non-zero error.

The fix sets *r_ret to NULL on search_rsb_list's not-found path.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Benny Halevy 2008-06-30 19:59:14 +03:00 committed by David Teigland
parent 311f6fc77c
commit 18c60c0a3b
1 changed files with 1 additions and 0 deletions
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1
fs/dlm/lock.c
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@ -363,6 +363,7 @@ static int search_rsb_list(struct list_head *head, char *name, int len,
if (len == r->res_length && !memcmp(name, r->res_name, len))
goto found;
}
*r_ret = NULL;
return -EBADR;
found: