Commit 5ca4a094 authored May 23, 2019 by Sean Paul

drm/msm/a6xx: Check for ERR or NULL before iounmap



pdcptr and seqptr aren't necessarily valid, check them before trying to
unmap them.

Changes in v2:
- None

Cc: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190523171653.138678-3-sean@poorly.run

parent cfcb3658

drivers/gpu/drm/msm/adreno/a6xx_gmu.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -504,7 +504,9 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu)
		wmb();

		err:
		if (!IS_ERR_OR_NULL(pdcptr))
		devm_iounmap(gmu->dev, pdcptr);
		if (!IS_ERR_OR_NULL(seqptr))
		devm_iounmap(gmu->dev, seqptr);
		}

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