rmdir and lxc_unpriv returns non-negative error codes

Signed-off-by: S.Çağlar Onur <caglar@10ur.org>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>

src/lxc/bdev.c

@@ -1419,7 +1419,7 @@ static int btrfs_snapshot(const char *orig, const char *new)
 		goto out;
 	}
 	// make sure the directory doesn't already exist
-	if (rmdir(newfull) < 0 && errno != -ENOENT) {
+	if (rmdir(newfull) < 0 && errno != ENOENT) {
 		SYSERROR("Error removing empty new rootfs");
 		goto out;
 	}
@@ -1512,7 +1512,7 @@ static int btrfs_clonepaths(struct bdev *orig, struct bdev *new, const char *old
 		return userns_exec_1(conf, btrfs_snapshot_wrapper, &sdata);
 	}
 
-	if (rmdir(new->dest) < 0 && errno != -ENOENT) {
+	if (rmdir(new->dest) < 0 && errno != ENOENT) {
 		SYSERROR("removing %s", new->dest);
 		return -1;
 	}

src/lxc/log.c

@@ -159,7 +159,7 @@ static int build_dir(const char *name)
 		*p = '\0';
 		if (access(n, F_OK)) {
 			ret = lxc_unpriv(mkdir(n, 0755));
-			if (ret && errno != -EEXIST) {
+			if (ret && errno != EEXIST) {
 				SYSERROR("failed to create directory '%s'.", n);
 				free(n);
 				return -1;