cifs: fix uninitialized pointer in error case in dfs_cache_get_tgt_share

Set default value of ppath to null.

Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 7b978a1262683b0bff807ffd01225d860ef0642c..34a8f3baed5ebbeae9084dcf0f0fb1171b6f5104 100644 (file)
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -1267,7 +1267,8 @@ int dfs_cache_get_tgt_share(char *path, const struct dfs_cache_tgt_iterator *it,
                            char **prefix)
 {
        char sep;
-       char *target_share, *ppath;
+       char *target_share;
+       char *ppath = NULL;
        const char *target_ppath, *dfsref_ppath;
        size_t target_pplen, dfsref_pplen;
        size_t len, c;