[Asterisk-code-review] func_scramble: Fix null pointer dereference. (asterisk[master])

[N A]

N A has uploaded this change for review. ( https://gerrit.asterisk.org/c/asterisk/+/19203 )


Change subject: func_scramble: Fix null pointer dereference.
......................................................................

func_scramble: Fix null pointer dereference.

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

ASTERISK-30220 #close

Change-Id: Ideb80f606974366e89d619d908744230b5a5a259
---
M funcs/func_scramble.c
1 file changed, 15 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/03/19203/1

diff --git a/funcs/func_scramble.c b/funcs/func_scramble.c
index 5fe194c..6c6c4b1 100644
--- a/funcs/func_scramble.c
+++ b/funcs/func_scramble.c
@@ -124,6 +124,7 @@
 		return 0;
 	}
 
+	ni = datastore->data;
 	if (frame->frametype == AST_FRAME_VOICE) { /* only invert voice frequencies */
 		/* Based on direction of frame, and confirm it is applicable */
 		if (!(direction == AST_AUDIOHOOK_DIRECTION_READ ? ni->rx : ni->tx)) {

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Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Change-Id: Ideb80f606974366e89d619d908744230b5a5a259
Gerrit-Change-Number: 19203
Gerrit-PatchSet: 1
Gerrit-Owner: N A <mail at interlinked.x10host.com>
Gerrit-MessageType: newchange
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