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Merged revisions 320796 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r320796 | rmudgett | 2011-05-25 11:23:11 -0500 (Wed, 25 May 2011) | 17 lines
  
  Give zombies a safe channel driver to use.
  
  Recent crashes from zombie channels suggests that they need a safe home to
  goto.  When a masquerade happens, the physical part of the zombie channel
  is hungup.  The hangup normally sets the channel private pointer to NULL.
  If someone then blindly does a callback to the channel driver, a crash is
  likely because the private pointer is NULL.
  
  The masquerade now sets the channel technology of zombie channels to the
  kill channel driver.
  
  Related to the following issues:
  (issue #19116)
  (issue #19310)
  
  Review: https://reviewboard.asterisk.org/r/1224/
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@320820 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2011-05-25 16:50:38 +00:00
parent e789eb8b2d
commit a42bf8cc92
4 changed files with 67 additions and 49 deletions
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5
main/format_cap.c
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@@ -307,8 +307,11 @@ int ast_format_cap_iscompatible(const struct ast_format_cap *cap, const struct a
{
struct ast_format *f;
struct ast_format_cap *tmp_cap = (struct ast_format_cap *) cap;
f = ao2_find(tmp_cap->formats, (struct ast_format *) format, OBJ_POINTER | tmp_cap->nolock);
if (!tmp_cap) {
return 0;
}
f = ao2_find(tmp_cap->formats, (struct ast_format *) format, OBJ_POINTER | tmp_cap->nolock);
if (f) {
ao2_ref(f, -1);
return 1;