diff options
author | Joshua Colp <jcolp@digium.com> | 2015-08-07 05:18:05 -0500 |
---|---|---|
committer | Gerrit Code Review <gerrit2@gerrit.digium.api> | 2015-08-07 05:18:06 -0500 |
commit | 58effbc3f6ebe45388f7ce038c402844c68654be (patch) | |
tree | c55bfc09484a7434c561c2eab2f26a06a28b897b /res | |
parent | ca84a4b2351966c20d2fc8cf24157f2e3d6db643 (diff) | |
parent | 33a465249b4688b83684e182c4bb26c6fcd7d2a3 (diff) |
Merge "res_rtp_asterisk.c: Fix off-nominal crash potential."
Diffstat (limited to 'res')
-rw-r--r-- | res/res_rtp_asterisk.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c index 5f21c14ca..cca19698c 100644 --- a/res/res_rtp_asterisk.c +++ b/res/res_rtp_asterisk.c @@ -4517,6 +4517,10 @@ static struct ast_frame *ast_rtp_read(struct ast_rtp_instance *instance, int rtc } payload = ast_rtp_codecs_get_payload(ast_rtp_instance_get_codecs(instance), payloadtype); + if (!payload) { + /* Unknown payload type. */ + return AST_LIST_FIRST(&frames) ? AST_LIST_FIRST(&frames) : &ast_null_frame; + } /* If the payload is not actually an Asterisk one but a special one pass it off to the respective handler */ if (!payload->asterisk_format) { @@ -4543,10 +4547,7 @@ static struct ast_frame *ast_rtp_read(struct ast_rtp_instance *instance, int rtc /* Even if no frame was returned by one of the above methods, * we may have a frame to return in our frame list */ - if (!AST_LIST_EMPTY(&frames)) { - return AST_LIST_FIRST(&frames); - } - return &ast_null_frame; + return AST_LIST_FIRST(&frames) ? AST_LIST_FIRST(&frames) : &ast_null_frame; } ao2_replace(rtp->lastrxformat, payload->format); |