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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-12-07 10:59:22 +0400 |
|---|---|---|
| committer | Abhinav Kumar <quic_abhinavk@quicinc.com> | 2022-12-27 17:59:05 -0800 |
| commit | 45dac1352b55b1d8cb17f218936b2bc2bc1fb4ee (patch) | |
| tree | 2bb7ccdc7a4837c819340a30522be16c7c47bc41 /drivers/gpu | |
| parent | e5266ca38294c6eba48f5c9cd3d0402d619d7c05 (diff) | |
| download | linux-stable-45dac1352b55b1d8cb17f218936b2bc2bc1fb4ee.tar.gz linux-stable-45dac1352b55b1d8cb17f218936b2bc2bc1fb4ee.tar.bz2 linux-stable-45dac1352b55b1d8cb17f218936b2bc2bc1fb4ee.zip | |
drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path
of_icc_get() alloc resources for path1, we should release it when not
need anymore. Early return when IS_ERR_OR_NULL(path0) may leak path1.
Defer getting path1 to fix this.
Fixes: b9364eed9232 ("drm/msm/dpu: Move min BW request and full BW disable back to mdss")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/514264/
Link: https://lore.kernel.org/r/20221207065922.2086368-1-linmq006@gmail.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_mdss.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index 86b28add1fff..2527afef9c19 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -47,15 +47,17 @@ struct msm_mdss { static int msm_mdss_parse_data_bus_icc_path(struct device *dev, struct msm_mdss *msm_mdss) { - struct icc_path *path0 = of_icc_get(dev, "mdp0-mem"); - struct icc_path *path1 = of_icc_get(dev, "mdp1-mem"); + struct icc_path *path0; + struct icc_path *path1; + path0 = of_icc_get(dev, "mdp0-mem"); if (IS_ERR_OR_NULL(path0)) return PTR_ERR_OR_ZERO(path0); msm_mdss->path[0] = path0; msm_mdss->num_paths = 1; + path1 = of_icc_get(dev, "mdp1-mem"); if (!IS_ERR_OR_NULL(path1)) { msm_mdss->path[1] = path1; msm_mdss->num_paths++; |