From: apollo.ling <apollo.ling@amlogic.com>
Date: Thu, 24 Dec 2020 12:15:19 +0000 (+0800)
Subject: vdec: check the pointer before using it [1/1]
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f4ee88db4efb17a46abcfda29d0a11b156d104e7;p=GitHub%2FLineageOS%2FG12%2Fandroid_hardware_amlogic_kernel-modules_media.git

vdec: check the pointer before using it [1/1]

PD#SWPL-38329

Problem:
play special stream,DUT reboot when stream replay

Solution:
Check the pointer before using it

Verify:
ah212

Change-Id: I53a1e2643f00513cae307aa61ed90f32c71bba65
Signed-off-by: apollo.ling <apollo.ling@amlogic.com>
---

diff --git a/drivers/frame_provider/decoder/h264_multi/h264_dpb.c b/drivers/frame_provider/decoder/h264_multi/h264_dpb.c
index 874b5f3..523ce9f 100644
--- a/drivers/frame_provider/decoder/h264_multi/h264_dpb.c
+++ b/drivers/frame_provider/decoder/h264_multi/h264_dpb.c
@@ -5313,9 +5313,10 @@ static void reorder_lists(struct Slice *currSlice)
 			PRINT_FLAG_DPB_DETAIL,
 				  "listX[1] reorder (PicNum): ");
 			for (i = 0; i < currSlice->listXsize[1]; i++) {
-				dpb_print_cont(p_H264_Dpb->decoder_index,
-					PRINT_FLAG_DPB_DETAIL, "%d  ",
-					currSlice->listX[1][i]->pic_num);
+				if (currSlice->listX[1][i])
+					dpb_print_cont(p_H264_Dpb->decoder_index,
+						PRINT_FLAG_DPB_DETAIL, "%d  ",
+						currSlice->listX[1][i]->pic_num);
 			}
 			dpb_print_cont(p_H264_Dpb->decoder_index,
 				PRINT_FLAG_DPB_DETAIL, "\n");