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res_pjsip_sdp_rtp fix leaking astobj2 ast_format

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PR #700 added a preferred_format for the struct ast_rtp_codecs,
but when set the preferred_format it leaks an astobj2 ast_format.
In the next code
ast_rtp_codecs_set_preferred_format(&codecs, ast_format_cap_get_format(joint, 0));
both functions ast_rtp_codecs_set_preferred_format
and ast_format_cap_get_format increases the ao2 reference count.

Fixes: #856
(cherry picked from commit 95fadcf6db)
This commit is contained in:
Alexei Gradinari
2024-08-23 16:28:24 -04:00
committed by Asterisk Development Team
parent 1073fd505d
commit 1ec83a5ca4
2 changed files with 5 additions and 1 deletions
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1
main/rtp_engine.c
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@@ -1011,6 +1011,7 @@ void ast_rtp_codecs_payloads_destroy(struct ast_rtp_codecs *codecs)
AST_VECTOR_FREE(&codecs->payload_mapping_tx);
ao2_t_cleanup(codecs->preferred_format, "destroying ast_rtp_codec preferred format");
codecs->preferred_format = NULL;
ast_rwlock_destroy(&codecs->codecs_lock);
}