[Asterisk-code-review] res_rtp_asterisk.c: Fix signed mismatch that leads to overflow (asterisk[18])

[George Joseph]

George Joseph has submitted this change. ( https://gerrit.asterisk.org/c/asterisk/+/15486 )

Change subject: res_rtp_asterisk.c: Fix signed mismatch that leads to overflow
......................................................................

res_rtp_asterisk.c: Fix signed mismatch that leads to overflow

ASTERISK-29205 #close

Change-Id: Ib7aa65644e8df76e2378d7613ee7cf751b9d0bea
---
M res/res_rtp_asterisk.c
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  George Joseph: Looks good to me, approved; Approved for Submit



diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c
index dfec8f5..29ffffc 100644
--- a/res/res_rtp_asterisk.c
+++ b/res/res_rtp_asterisk.c
@@ -6932,7 +6932,7 @@
 			/* If there is no more room left for storing packets stop now, we leave 20
 			 * extra bits at the end just in case.
 			 */
-			if ((sizeof(bdata) - (packet_len + delta_len + 20)) < 0) {
+			if (packet_len + delta_len + 20 > sizeof(bdata)) {
 				res = -1;
 				break;
 			}
@@ -6966,7 +6966,7 @@
 		previous_packet = statistics;
 
 		/* If there is no more room left in the packet stop handling of any subsequent packets */
-		if ((sizeof(bdata) - (packet_len + delta_len + 20)) < 0) {
+		if (packet_len + delta_len + 20 > sizeof(bdata)) {
 			break;
 		}
 	}

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Gerrit-Project: asterisk
Gerrit-Branch: 18
Gerrit-Change-Id: Ib7aa65644e8df76e2378d7613ee7cf751b9d0bea
Gerrit-Change-Number: 15486
Gerrit-PatchSet: 2
Gerrit-Owner: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: George Joseph <gjoseph at digium.com>
Gerrit-Reviewer: Sean Bright <sean.bright at gmail.com>
Gerrit-CC: Friendly Automation
Gerrit-MessageType: merged
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