From: Miaoqian Lin <linmq006@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: linmq006@gmail.com, Hans de Goede <hdegoede@redhat.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH] lib/genalloc: Fix NULL vs IS_ERR() checking
Date: Sat, 11 Dec 2021 14:49:56 +0000 [thread overview]
Message-ID: <20211211144957.31381-1-linmq006@gmail.com> (raw)
The devm_gen_pool_create() function does not return NULL. It
returns error pointers.
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/gpu/drm/vboxvideo/vbox_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vboxvideo/vbox_main.c b/drivers/gpu/drm/vboxvideo/vbox_main.c
index f28779715ccd..c9e8b3a63c62 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_main.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_main.c
@@ -127,8 +127,8 @@ int vbox_hw_init(struct vbox_private *vbox)
/* Create guest-heap mem-pool use 2^4 = 16 byte chunks */
vbox->guest_pool = devm_gen_pool_create(vbox->ddev.dev, 4, -1,
"vboxvideo-accel");
- if (!vbox->guest_pool)
- return -ENOMEM;
+ if (IS_ERR(vbox->guest_pool))
+ return PTR_ERR(vbox->guest_pool);
ret = gen_pool_add_virt(vbox->guest_pool,
(unsigned long)vbox->guest_heap,
--
2.17.1
next reply other threads:[~2021-12-11 14:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-11 14:49 Miaoqian Lin [this message]
2021-12-12 11:38 ` Hans de Goede
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