drm/exynos: fix a potential error pointer dereference

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[ Upstream commit 73bf1c9ae6 ]

Smatch reports the warning below:
drivers/gpu/drm/exynos/exynos_hdmi.c:1864 hdmi_bind()
error: 'crtc' dereferencing possible ERR_PTR()

The return value of exynos_drm_crtc_get_by_type maybe ERR_PTR(-ENODEV),
which can not be used directly. Fix this by checking the return value
before using it.

Signed-off-by: Xiang Yang <xiangyang3@huawei.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Xiang Yang 2023-08-12 14:27:48 +08:00 • committed by Greg Kroah-Hartman

parent fb26de4a86

commit 2debe511c1

1 changed files with 2 additions and 0 deletions

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drivers/gpu/drm/exynos/exynos_hdmi.c

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