linux-kernel - [PATCH] media: hantro: Prevent encoders from using post-processing

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: <20200129210608.6807-1-ezequiel@collabora.com>
Date:   Wed, 29 Jan 2020 18:06:08 -0300
From:   Ezequiel Garcia <ezequiel@...labora.com>
To:     linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Tomasz Figa <tfiga@...omium.org>, kernel@...labora.com,
        Jonas Karlman <jonas@...boo.se>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Hans Verkuil <hverkuil@...all.nl>,
        Ezequiel Garcia <ezequiel@...labora.com>
Subject: [PATCH] media: hantro: Prevent encoders from using post-processing

The post-processing feature is meant to be used by decoding
only. Prevent encoding jobs from enabling it.

Fixes: 8c2d66b036c77 ("media: hantro: Support color conversion via post-processing")
Signed-off-by: Ezequiel Garcia <ezequiel@...labora.com>
---
 drivers/staging/media/hantro/hantro.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/hantro/hantro.h b/drivers/staging/media/hantro/hantro.h
index b0faa43b3f79..327ddef45345 100644
--- a/drivers/staging/media/hantro/hantro.h
+++ b/drivers/staging/media/hantro/hantro.h
@@ -423,7 +423,7 @@ hantro_get_dst_buf(struct hantro_ctx *ctx)
 static inline bool
 hantro_needs_postproc(struct hantro_ctx *ctx, const struct hantro_fmt *fmt)
 {
-	return fmt->fourcc != V4L2_PIX_FMT_NV12;
+	return !hantro_is_encoder_ctx(ctx) && fmt->fourcc != V4L2_PIX_FMT_NV12;
 }
 
 static inline dma_addr_t
-- 
2.25.0