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drm/vboxvideo: fix a NULL vs IS_ERR() check

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[ Upstream commit cebbb5c46d0cb0615fd0c62dea9b44273d0a9780 ]

The devm_gen_pool_create() function never returns NULL, it returns
error pointers.

Fixes: 4cc9b56545 ("drm/vboxvideo: Use devm_gen_pool_create")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211118111233.GA1147@kili
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter
2021-11-18 14:12:33 +03:00
committed by Greg Kroah-Hartman
parent 43220a61e7
commit a33eef23a6
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/vboxvideo/vbox_main.c
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@@ -123,8 +123,8 @@ int vbox_hw_init(struct vbox_private *vbox)
/* Create guest-heap mem-pool use 2^4 = 16 byte chunks */ /* Create guest-heap mem-pool use 2^4 = 16 byte chunks */
vbox->guest_pool = devm_gen_pool_create(vbox->ddev.dev, 4, -1, vbox->guest_pool = devm_gen_pool_create(vbox->ddev.dev, 4, -1,
"vboxvideo-accel"); "vboxvideo-accel");
if (!vbox->guest_pool) if (IS_ERR(vbox->guest_pool))
return -ENOMEM; return PTR_ERR(vbox->guest_pool);
ret = gen_pool_add_virt(vbox->guest_pool, ret = gen_pool_add_virt(vbox->guest_pool,
(unsigned long)vbox->guest_heap, (unsigned long)vbox->guest_heap,