[PATCH 1/3] getpacket(): do not return negative value as packet size in case of error

[Vitezslav Samel]

Signed-off-by: Vitezslav Samel <vitezslav(a)samel.cz&gt;
---
 src/packet.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/src/packet.c b/src/packet.c
index e65f879..c4ba3b5 100644
--- a/src/packet.c
+++ b/src/packet.c
@@ -162,9 +162,13 @@ void getpacket(int fd, char *buf, struct sockaddr_ll *fromaddr, int
*ch,
 	*ch = ERR;
 
 	if (FD_ISSET(fd, &set)) {
+		ssize_t len;
+
 		fromlen = sizeof(struct sockaddr_ll);
-		*br = recvfrom(fd, buf, MAX_PACKET_SIZE, MSG_TRUNC,
+		len = recvfrom(fd, buf, MAX_PACKET_SIZE, MSG_TRUNC,
 			       (struct sockaddr *) fromaddr, &fromlen);
+		if (len > 0)
+			*br = len;
 	}
 	if (!daemonized && FD_ISSET(0, &set))
 		*ch = wgetch(win);
-- 
1.7.8.4