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| author | Jeffrey Hugo <jeffrey.l.hugo@gmail.com> | 2019-05-21 08:00:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-27 14:46:38 +0100 |
| commit | 68925f1521a2f57f7785a9377fe6baeb6ef0f986 (patch) | |
| tree | 79ecfdeaee7905ec6e776a543a86f9448cc808f6 /drivers/gpu | |
| parent | 6a275c6ff76d87d9dd4d59c35413aaa4a6a5c0d4 (diff) | |
| download | linux-stable-68925f1521a2f57f7785a9377fe6baeb6ef0f986.tar.gz linux-stable-68925f1521a2f57f7785a9377fe6baeb6ef0f986.tar.bz2 linux-stable-68925f1521a2f57f7785a9377fe6baeb6ef0f986.zip | |
drm/msm/mdp5: Fix mdp5_cfg_init error return
[ Upstream commit fc19cbb785d7bbd1a1af26229b5240a3ab332744 ]
If mdp5_cfg_init fails because of an unknown major version, a null pointer
dereference occurs. This is because the caller of init expects error
pointers, but init returns NULL on error. Fix this by returning the
expected values on error.
Fixes: 2e362e1772b8 (drm/msm/mdp5: introduce mdp5_cfg module)
Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c index 824067d2d427..42f0ecb0cf35 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c @@ -635,7 +635,7 @@ fail: if (cfg_handler) mdp5_cfg_destroy(cfg_handler); - return NULL; + return ERR_PTR(ret); } static struct mdp5_cfg_platform *mdp5_get_config(struct platform_device *dev) |