btrfs-progs: init variables which are checked later in btrfs-property

The local variable @object etc. in btrfs-property get/set functions
are to be checked whether to be NULL or not, but the @parse_args()
don't guarantee to assign a value to it, so it is better to init
it to NULL.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/cmds-property.c b/cmds-property.c
index 9c4eb92..90c7603 100644 (file)
--- a/cmds-property.c
+++ b/cmds-property.c
@@ -389,7 +389,7 @@ static void parse_args(int argc, char **argv,
 static int cmd_get(int argc, char **argv)
 {
        int ret;
-       char *object;
+       char *object = NULL;
        char *name = NULL;
        int types = 0;
 
@@ -413,9 +413,9 @@ static int cmd_get(int argc, char **argv)
 static int cmd_set(int argc, char **argv)
 {
        int ret;
-       char *object;
-       char *name;
-       char *value;
+       char *object = NULL;
+       char *name = NULL;
+       char *value = NULL;
        int types = 0;
 
        if (check_argc_min(argc, 4) || check_argc_max(argc, 6))