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malidp: Fix NULL vs IS_ERR() checking

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commit 15342f930e upstream.

The get_sg_table() function does not return NULL.
It returns error pointers.

Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://lore.kernel.org/dri-devel/20211213072115.18098-1-linmq006@gmail.com/
Signed-off-by: Stefan Ghinea <stefan.ghinea@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miaoqian Lin 2021-12-13 07:21:15 +00:00 • committed by Justin Hammond
parent c6af4c4890
commit 99b7bf04b1
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/arm/malidp_planes.c
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@ -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;