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authorAbhinav Kumar <abhinavk@codeaurora.org>2021-03-05 22:17:18 +0300
committerRob Clark <robdclark@chromium.org>2021-04-07 21:05:44 +0300
commit7d649cfe0314aad2ba18042885ab9de2f13ad809 (patch)
treec51b6c9eb2e89107d0210b9072224e2e371a87f5 /drivers/gpu/drm/msm/dp
parent86bf254549badbf754ace6b09f044fe18a959f28 (diff)
downloadlinux-7d649cfe0314aad2ba18042885ab9de2f13ad809.tar.xz
drm/msm/dp: Fix incorrect NULL check kbot warnings in DP driver
Fix an incorrect NULL check reported by kbot in the MSM DP driver smatch warnings: drivers/gpu/drm/msm/dp/dp_hpd.c:37 dp_hpd_connect() error: we previously assumed 'hpd_priv->dp_cb' could be null (see line 37) Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Link: https://lore.kernel.org/r/1614971839-2686-2-git-send-email-abhinavk@codeaurora.org Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_hpd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_hpd.c b/drivers/gpu/drm/msm/dp/dp_hpd.c
index 5b8fe32022b5..e1c90fa47411 100644
--- a/drivers/gpu/drm/msm/dp/dp_hpd.c
+++ b/drivers/gpu/drm/msm/dp/dp_hpd.c
@@ -34,8 +34,8 @@ int dp_hpd_connect(struct dp_usbpd *dp_usbpd, bool hpd)
dp_usbpd->hpd_high = hpd;
- if (!hpd_priv->dp_cb && !hpd_priv->dp_cb->configure
- && !hpd_priv->dp_cb->disconnect) {
+ if (!hpd_priv->dp_cb || !hpd_priv->dp_cb->configure
+ || !hpd_priv->dp_cb->disconnect) {
pr_err("hpd dp_cb not initialized\n");
return -EINVAL;
}