From: Sean Paul <seanp...@chromium.org>
pdcptr and seqptr aren't necessarily valid, check them before trying to
unmap them.
Signed-off-by: Sean Paul <seanp...@chromium.org>
---
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 742c8ff9a61c..7465423e9b71 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -504,8 +504,10 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu)
wmb();
err:
- devm_iounmap(gmu->dev, pdcptr);
- devm_iounmap(gmu->dev, seqptr);
+ if (!IS_ERR_OR_NULL(pdcptr))
+ devm_iounmap(gmu->dev, pdcptr);
+ if (!IS_ERR_OR_NULL(seqptr))
+ devm_iounmap(gmu->dev, seqptr);
}
/*
--
Sean Paul, Software Engineer, Google / Chromium OS
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