wprobe: fix missing return code check

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19483 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 5 insertions, 1 deletions

diff --git a/package/wprobe/src/user/wprobe-lib.c b/package/wprobe/src/user/wprobe-lib.c
index 7ba67cfcb..7a5460bb0 100644
--- a/package/wprobe/src/user/wprobe-lib.c
+++ b/package/wprobe/src/user/wprobe-lib.c
@@ -560,7 +560,9 @@ wprobe_msg_to_network(int socket, struct nl_msg *msg)
 	mhdr.status = WPROBE_MSG_DATA;
 	mhdr.len = buflen;
 	wprobe_swap_msg_hdr(&mhdr);
-	write(socket, &mhdr, sizeof(mhdr));
+	ret = write(socket, &mhdr, sizeof(mhdr));
+	if (ret < 0)
+		goto out;
 
 	memcpy(buf, nlh, buflen);
 	nlh = buf;
@@ -572,6 +574,8 @@ wprobe_msg_to_network(int socket, struct nl_msg *msg)
 	swap_genlmsghdr(gnlh);
 	swap_nlmsghdr(nlh);
 	ret = write(socket, buf, buflen);
+
+out:
 	free(buf);
 
 	return ret;