diff options
author | Chris Maynard <Christopher.Maynard@GTECH.COM> | 2013-12-11 23:03:01 +0000 |
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committer | Chris Maynard <Christopher.Maynard@GTECH.COM> | 2013-12-11 23:03:01 +0000 |
commit | 8cacdfa8ce7210ea369a9081312eeb26f81a05ec (patch) | |
tree | d7262b263bffd916a25626e86bfdf431e912d5b3 /epan/dissectors/packet-amr.c | |
parent | a81424382e3bd98672b1a9979065779ac6922718 (diff) |
Reject the packet if data is NULL. Leave the DISSECTOR_ASSERT(actx != NULL) since get_asn1_ctx() also checks the signature.
svn path=/trunk/; revision=53953
Diffstat (limited to 'epan/dissectors/packet-amr.c')
-rw-r--r-- | epan/dissectors/packet-amr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/epan/dissectors/packet-amr.c b/epan/dissectors/packet-amr.c index a684a0cc35..4ee847e07d 100644 --- a/epan/dissectors/packet-amr.c +++ b/epan/dissectors/packet-amr.c @@ -595,9 +595,14 @@ static amr_capability_t *find_cap(const gchar *id) { static int dissect_amr_name(tvbuff_t *tvb _U_, packet_info *pinfo, proto_tree *tree, void* data) { - asn1_ctx_t *actx = get_asn1_ctx(data); + asn1_ctx_t *actx; + /* Reject the packet if data is NULL */ + if (data == NULL) + return 0; + actx = get_asn1_ctx(data); DISSECTOR_ASSERT(actx != NULL); + if (tree && (actx != NULL)) { amr_capability_t *ftr; ftr = find_cap(pinfo->match_string); |