linux-kernel - [PATCH v2 2/4] media: rkvdec: Fix RKVDEC_ERR_PKT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20221223193807.914935-3-nicolas.dufresne@collabora.com>
Date:   Fri, 23 Dec 2022 14:38:04 -0500
From:   Nicolas Dufresne <nicolas.dufresne@...labora.com>
To:     Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     kernel@...labora.com,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/4] media: rkvdec: Fix RKVDEC_ERR_PKT_NUM macro

This information is expressed by bits [29:16], but the actual
implementation was reading bits [13:0] and shifting that 16
bits to the left.

Fixes: cd33c830448ba ("media: rkvdec: Add the rkvdec driver")
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@...labora.com>
---
 drivers/staging/media/rkvdec/rkvdec-regs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/rkvdec/rkvdec-regs.h b/drivers/staging/media/rkvdec/rkvdec-regs.h
index 15b9bee92016c..14530b81560ed 100644
--- a/drivers/staging/media/rkvdec/rkvdec-regs.h
+++ b/drivers/staging/media/rkvdec/rkvdec-regs.h
@@ -212,7 +212,7 @@
 #define RKVDEC_REG_H264_ERRINFO_NUM			0x130
 #define RKVDEC_SLICEDEC_NUM(x)				((x) & 0x3fff)
 #define RKVDEC_STRMD_DECT_ERR_FLAG			BIT(15)
-#define RKVDEC_ERR_PKT_NUM(x)				(((x) & 0x3fff) << 16)
+#define RKVDEC_ERR_PKT_NUM(x)				((x >> 16) & 0x3fff)
 
 #define RKVDEC_REG_H264_ERR_E				0x134
 #define RKVDEC_H264_ERR_EN_HIGHBITS(x)			((x) & 0x3fffffff)
-- 
2.38.1