zdtm/thread_different_uid_gid: remove the redundant check

line 131 checks if (ret >= 0). line 133 could be replaced by a simple else statement

Signed-off-by: Taemin Ha <[email protected]>
Signed-off-by: Andrei Vagin <[email protected]>

Author: Taemin Ha

test/zdtm/static/thread_different_uid_gid.c

@@ -130,7 +130,7 @@ int main(int argc, char **argv)
 	ret = syscall(SYS_setresgid, maingroup, maingroup, maingroup);
 	if (ret >= 0) {
 		ret = syscall(SYS_setresuid, mainuser, mainuser, mainuser);
-	} else if (ret < 0) {
+	} else {
 		pr_perror("Failed to drop privileges");
 		exit(1);
 	}