diff options
| author | file <file@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-01-13 06:00:24 +0000 |
|---|---|---|
| committer | file <file@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-01-13 06:00:24 +0000 |
| commit | 83cb29b27e47a3268364518338856d8efeebc2d0 (patch) | |
| tree | 80288822e5c1b3bf8ca1ccbc6aa2d249ae734ab4 /main/channel.c | |
| parent | 896b80ee76e6b42915f6d7d099c46b3f741f67ad (diff) | |
Only write a frame out to the channel if one exists. There are cases where one may not and would therefore cause the channel driver to segfault. (issue #8434 reported by slimey)
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@50727 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'main/channel.c')
| -rw-r--r-- | main/channel.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/main/channel.c b/main/channel.c index e895d2783..1dd1e0c74 100644 --- a/main/channel.c +++ b/main/channel.c @@ -2650,8 +2650,10 @@ int ast_write(struct ast_channel *chan, struct ast_frame *fr) /* and now put it through the regular translator */ f = (chan->writetrans) ? ast_translate(chan->writetrans, f, 0) : f; } - - res = chan->tech->write(chan, f); + if (f) + res = chan->tech->write(chan, f); + else + res = 0; break; case AST_FRAME_NULL: case AST_FRAME_IAX: |