From: Abhinav Kumar <abhinavk@codeaurora.org> To: dri-devel@lists.freedesktop.org Cc: Abhinav Kumar <abhinavk@codeaurora.org>, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, robdclark@gmail.com, seanpaul@chromium.org, swboyd@chromium.org, nganji@codeaurora.org, aravindh@codeaurora.org, tanmay@codeaurora.org, khsieh@codeaurora.org, dan.carpenter@oracle.com Subject: [PATCH 2/3] drm/msm/dp: Fix incorrect NULL check kbot warnings in DP driver Date: Fri, 5 Mar 2021 11:17:18 -0800 [thread overview] Message-ID: <1614971839-2686-2-git-send-email-abhinavk@codeaurora.org> (raw) In-Reply-To: <1614971839-2686-1-git-send-email-abhinavk@codeaurora.org> 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> --- drivers/gpu/drm/msm/dp/dp_hpd.c | 4 ++-- 1 file 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 5b8fe3202..e1c90fa 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; } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: Abhinav Kumar <abhinavk@codeaurora.org> To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, Abhinav Kumar <abhinavk@codeaurora.org>, swboyd@chromium.org, khsieh@codeaurora.org, seanpaul@chromium.org, tanmay@codeaurora.org, aravindh@codeaurora.org, freedreno@lists.freedesktop.org, dan.carpenter@oracle.com Subject: [PATCH 2/3] drm/msm/dp: Fix incorrect NULL check kbot warnings in DP driver Date: Fri, 5 Mar 2021 11:17:18 -0800 [thread overview] Message-ID: <1614971839-2686-2-git-send-email-abhinavk@codeaurora.org> (raw) In-Reply-To: <1614971839-2686-1-git-send-email-abhinavk@codeaurora.org> 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> --- drivers/gpu/drm/msm/dp/dp_hpd.c | 4 ++-- 1 file 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 5b8fe3202..e1c90fa 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; } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-03-05 19:18 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-05 19:17 [PATCH 1/3] drm/msm/dp: Fix indentation kbot warnings in DP driver Abhinav Kumar 2021-03-05 19:17 ` Abhinav Kumar 2021-03-05 19:17 ` Abhinav Kumar [this message] 2021-03-05 19:17 ` [PATCH 2/3] drm/msm/dp: Fix incorrect NULL check " Abhinav Kumar 2021-03-26 1:17 ` Stephen Boyd 2021-03-26 1:17 ` Stephen Boyd 2021-03-05 19:17 ` [PATCH 3/3] drm/msm/dp: delete unnecessary debugfs error handling Abhinav Kumar 2021-03-05 19:17 ` Abhinav Kumar 2021-03-26 1:18 ` Stephen Boyd 2021-03-26 1:18 ` Stephen Boyd 2021-03-26 1:17 ` [PATCH 1/3] drm/msm/dp: Fix indentation kbot warnings in DP driver Stephen Boyd 2021-03-26 1:17 ` Stephen Boyd 2021-05-26 19:03 ` patchwork-bot+linux-arm-msm
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