X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/8f7f273fa4ce32e983f4437a7efa89d75062a2f9..b365f2b79a681a3afc3b487fd5fa659f83725bd7:/package/wprobe/src/user/wprobe-lib.c

diff --git a/package/wprobe/src/user/wprobe-lib.c b/package/wprobe/src/user/wprobe-lib.c
index a3b0fb5e5..7a5460bb0 100644
--- a/package/wprobe/src/user/wprobe-lib.c
+++ b/package/wprobe/src/user/wprobe-lib.c
@@ -13,6 +13,8 @@
  * GNU General Public License for more details.
  */
 
+#define _ISOC99_SOURCE
+#define _BSD_SOURCE
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <stdio.h>
@@ -558,7 +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;
@@ -570,6 +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;
@@ -795,7 +801,8 @@ wprobe_get_auto(const char *arg, char **err)
 		free(devstr);
 		return wprobe_get_dev(arg);
 #else
-		*err = "Invalid argument";
+		if (err)
+			*err = "Invalid argument";
 		goto out;
 #endif
 	}