From: Dan Carpenter <dan.carpenter@oracle.com>
To: Rob Clark <robdclark@gmail.com>, Archit Taneja <architt@codeaurora.org>
Cc: Sean Paul <sean@poorly.run>, David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel@ffwll.ch>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Abhinav Kumar <abhinavk@codeaurora.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Jonathan Marek <jonathan@marek.ca>,
Yangtao Li <tiny.windzz@gmail.com>,
Nicolas Boichat <drinkcat@chromium.org>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, kernel-janitors@vger.kernel.org
Subject: [PATCH 2/3] drm/msm/dsi: fix off by one in dsi_bus_clk_enable error handling
Date: Fri, 1 Oct 2021 15:34:09 +0300 [thread overview]
Message-ID: <20211001123409.GG2283@kili> (raw)
In-Reply-To: <20211001123308.GF2283@kili>
This disables a lock which wasn't enabled and it does not disable
the first lock in the array.
Fixes: 6e0eb52eba9e ("drm/msm/dsi: Parse bus clocks from a list")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index e269df285136..c86b5090fae6 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -451,7 +451,7 @@ static int dsi_bus_clk_enable(struct msm_dsi_host *msm_host)
return 0;
err:
- for (; i > 0; i--)
+ while (--i >= 0)
clk_disable_unprepare(msm_host->bus_clks[i]);
return ret;
--
2.20.1
next prev parent reply other threads:[~2021-10-01 12:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-01 12:33 [PATCH 1/3] drm/msm/dsi: Fix an error code in msm_dsi_modeset_init() Dan Carpenter
2021-10-01 12:34 ` Dan Carpenter [this message]
2021-10-01 22:47 ` [PATCH 2/3] drm/msm/dsi: fix off by one in dsi_bus_clk_enable error handling Dmitry Baryshkov
2021-10-01 12:36 ` [PATCH 3/3] drm/msm/dsi: fix signedness bug in msm_dsi_host_cmd_rx() Dan Carpenter
2021-10-01 22:59 ` Dmitry Baryshkov
2021-10-04 6:18 ` Dan Carpenter
2021-10-04 6:45 ` Dan Carpenter
2021-10-01 22:45 ` [PATCH 1/3] drm/msm/dsi: Fix an error code in msm_dsi_modeset_init() Dmitry Baryshkov
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