From: Miaoqian Lin <linmq006@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: linmq006@gmail.com, Liviu Dudau <liviu.dudau@arm.com>,
Brian Starkey <brian.starkey@arm.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] udmabuf: Fix NULL vs IS_ERR() checking
Date: Mon, 13 Dec 2021 07:21:15 +0000 [thread overview]
Message-ID: <20211213072115.18098-1-linmq006@gmail.com> (raw)
The get_sg_table() function does not return NULL.
It returns error pointers.
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/gpu/drm/arm/malidp_planes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 0562bdaac00c..2ef8feae8c4e 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -348,7 +348,7 @@ static bool malidp_check_pages_threshold(struct malidp_plane_state *ms,
else
sgt = obj->funcs->get_sg_table(obj);
- if (!sgt)
+ if (IS_ERR(sgt))
return false;
sgl = sgt->sgl;
--
2.17.1
reply other threads:[~2021-12-13 7:21 UTC|newest]
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