blkid: don't free() uninitialized variable

blkid.c: In function ‘main’:
blkid.c:656:6: warning: ‘res’ may be used uninitialized in this function [-Wuninitialized]
blkid.c:623:9: note: ‘res’ was declared here

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/misc-utils/blkid.c b/misc-utils/blkid.c
index 51599f52e72e41b99af7d5d199d9308aad8f4210..35b3cd4b9647b4135794dff5d8b3c72107e4c203 100644 (file)
--- a/misc-utils/blkid.c
+++ b/misc-utils/blkid.c
@@ -620,7 +620,7 @@ static char **list_to_types(const char *list, int *flag)
 {
        int i;
        const char *p = list;
-       char **res;
+       char **res = NULL;
 
        if (p && strncmp(p, "no", 2) == 0) {
                *flag = BLKID_FLTR_NOTIN;