tree a39bf61b41f63724e6c228bb7d9f44f788b4ffca
parent 26359dc5cbc2f2fdad983d96ca44c506fed772c7
author Sean Paul <seanpaul@chromium.org> 1557939652 -0400
committer Sean Paul <seanpaul@chromium.org> 1557950588 -0400

drm/msm: Upgrade gxpd checks to IS_ERR_OR_NULL

dev_pm_domain_attach_by_name() can return NULL, so we should check for
that case when we're about to dereference gxpd.

Fixes: 9325d4266afd ("drm/msm/gpu: Attach to the GPU GX power domain")
Cc: Jordan Crouse <jcrouse@codeaurora.org>
Cc: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeauorora.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190515170104.155525-1-sean@poorly.run