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func_scramble: Fix null pointer dereference. 

Fix segfault due to null pointer dereference
inside the audiohook callback.

ASTERISK-30220 #close

Change-Id: Ideb80f606974366e89d619d908744230b5a5a259
This commit is contained in:
Naveen Albert 2022-09-10 15:15:08 +00:00 committed by Friendly Automation
parent 278c5726ca
commit 8aae0b9f08
1 changed files with 1 additions and 0 deletions
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funcs/func_scramble.c
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@ -125,6 +125,7 @@ static int scramble_callback(struct ast_audiohook *audiohook, struct ast_channel
}
if (frame->frametype == AST_FRAME_VOICE) { /* only invert voice frequencies */
ni = datastore->data;
/* Based on direction of frame, and confirm it is applicable */
if (!(direction == AST_AUDIOHOOK_DIRECTION_READ ? ni->rx : ni->tx)) {
return 0;