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authorFedor Pchelkin <pchelkin@ispras.ru>2023-12-20 12:53:15 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-02-23 08:24:52 +0100
commitf81d67832cf5eb99454d1a08ad5938f2570df20e (patch)
tree6a8b6675a1f134c94eac8bf83acf193575f75f8e
parent83d86b4a77d051bb2eaea876ff583ad550515f43 (diff)
drm/exynos: gsc: minor fix for loop iteration in gsc_runtime_resume
[ Upstream commit 4050957c7c2c14aa795dbf423b4180d5ac04e113 ] Do not forget to call clk_disable_unprepare() on the first element of ctx->clocks array. Found by Linux Verification Center (linuxtesting.org). Fixes: 8b7d3ec83aba ("drm/exynos: gsc: Convert driver to IPP v2 core API") Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru> Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gsc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 45e9aee8366a8..bcf830c5b8ea9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1344,7 +1344,7 @@ static int __maybe_unused gsc_runtime_resume(struct device *dev)
for (i = 0; i < ctx->num_clocks; i++) {
ret = clk_prepare_enable(ctx->clocks[i]);
if (ret) {
- while (--i > 0)
+ while (--i >= 0)
clk_disable_unprepare(ctx->clocks[i]);
return ret;
}