btrfs-progs: remove unnecessary NULL check after get_df()

If get_df() returns 0, "sargs" surely points to malloc'ed region.
So NULL check of sargs is not necessary.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 4675499..1dc686e 100644 (file)
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -238,7 +238,7 @@ static int cmd_df(int argc, char **argv)
        }
        ret = get_df(fd, &sargs);
 
-       if (!ret && sargs) {
+       if (ret == 0) {
                print_df(sargs);
                free(sargs);
        } else {