linux-kernel - [PATCH 4/5] drm: msm: a6xx: Fix off by one error when setting GPU freq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1585641353-23229-5-git-send-email-smasetty@codeaurora.org>
Date:   Tue, 31 Mar 2020 13:25:52 +0530
From:   Sharat Masetty <smasetty@...eaurora.org>
To:     freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc:     dri-devel@...edesktop.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, jcrouse@...eaurora.org,
        mka@...omium.org, sibis@...eaurora.org, saravanak@...gle.com,
        viresh.kumar@...aro.org, Sharat Masetty <smasetty@...eaurora.org>
Subject: [PATCH 4/5] drm: msm: a6xx: Fix off by one error when setting GPU freq

This patch fixes an error in the for loop, thereby allowing search on
the full list of possible GPU power levels.

Signed-off-by: Sharat Masetty <smasetty@...eaurora.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 489d9b6..81b8559 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -176,7 +176,7 @@ void a6xx_gmu_set_freq(struct msm_gpu *gpu, unsigned long freq)
 	if (freq == gmu->freq)
 		return;

-	for (perf_index = 0; perf_index < gmu->nr_gpu_freqs - 1; perf_index++)
+	for (perf_index = 0; perf_index < gmu->nr_gpu_freqs; perf_index++)
 		if (freq == gmu->gpu_freqs[perf_index])
 			break;

--
2.7.4