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frame.c: Make ast_frame_free()/ast_frfree() NULL tolerant

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Change-Id: Ic49d821ef88ada38a31bdd835b9531443c55d793
This commit is contained in:
Richard Mudgett
2017-11-11 09:42:01 -06:00
parent 6f1910d6ec
commit b865d29f1c
1 changed files with 4 additions and 6 deletions
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8
main/frame.c
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@@ -163,19 +163,17 @@ void ast_frame_free(struct ast_frame *frame, int cache)
{ {
struct ast_frame *next; struct ast_frame *next;
for (next = AST_LIST_NEXT(frame, frame_list); while (frame) {
frame; next = AST_LIST_NEXT(frame, frame_list);
frame = next, next = frame ? AST_LIST_NEXT(frame, frame_list) : NULL) {
__frame_free(frame, cache); __frame_free(frame, cache);
frame = next;
} }
} }
void ast_frame_dtor(struct ast_frame *f) void ast_frame_dtor(struct ast_frame *f)
{ {
if (f) {
ast_frfree(f); ast_frfree(f);
} }
}
/*! /*!
* \brief 'isolates' a frame by duplicating non-malloc'ed components * \brief 'isolates' a frame by duplicating non-malloc'ed components