From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 13 Jan 2015 19:22:06 +0000 (+0100)
Subject: packet: return zero for pktbuf_len() when pktbuf ptr is NULL
X-Git-Tag: v4.1~481
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6f6f20eac09b65211250c75566b00014afe14cd3;p=thirdparty%2Ftvheadend.git

packet: return zero for pktbuf_len() when pktbuf ptr is NULL
---

diff --git a/src/packet.h b/src/packet.h
index cf5a0f1ec..df361b2d1 100644
--- a/src/packet.h
+++ b/src/packet.h
@@ -115,7 +115,7 @@ pktbuf_t *pktbuf_make(void *data, size_t size);
 
 pktbuf_t *pktbuf_append(pktbuf_t *pb, const void *data, size_t size);
 
-static inline size_t   pktbuf_len(pktbuf_t *pb) { return pb->pb_size; }
+static inline size_t   pktbuf_len(pktbuf_t *pb) { return pb ? pb->pb_size : 0; }
 static inline uint8_t *pktbuf_ptr(pktbuf_t *pb) { return pb->pb_data; }
 
 #endif /* PACKET_H_ */