From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 28 Jan 2008 02:44:28 +0000 (+0100)
Subject: add an extra check
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=commitdiff_plain;h=3f1db94aaaf5a9020581c1d43c0d7660cfd74207;hp=7e840cf19ac6c867b9708257efd93e4a7efaa97e

add an extra check
---

diff --git a/file.c b/file.c
index 6eaa5ec..4650a96 100644
--- a/file.c
+++ b/file.c
@@ -567,7 +567,9 @@ int uci_load(struct uci_context *ctx, const char *name, struct uci_package **pac
 	if (fd <= 0)
 		UCI_THROW(ctx, UCI_ERR_IO);
 
-	flock(fd, LOCK_SH);
+	if (flock(fd, LOCK_SH) < 0)
+		UCI_THROW(ctx, UCI_ERR_IO);
+
 	file = fdopen(fd, "r");
 	if (!file)
 		UCI_THROW(ctx, UCI_ERR_IO);