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| author | Rob Clark <robdclark@chromium.org> | 2024-02-12 13:55:34 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-17 15:24:09 +0200 |
| commit | be6c52b059a28ec7f78a135061f2cc16b352ef70 (patch) | |
| tree | f1e7f303bbae651fa02ad4e172df643eb599ab07 /drivers/gpu | |
| parent | 0d3d2236a0e092c02930638526eb675283ffe625 (diff) | |
| download | linux-rpi-be6c52b059a28ec7f78a135061f2cc16b352ef70.tar.gz linux-rpi-be6c52b059a28ec7f78a135061f2cc16b352ef70.tar.bz2 linux-rpi-be6c52b059a28ec7f78a135061f2cc16b352ef70.zip | |
drm/crtc: fix uninitialized variable use even harder
[ Upstream commit b6802b61a9d0e99dcfa6fff7c50db7c48a9623d3 ]
DRM_MODESET_LOCK_ALL_BEGIN() has a hidden trap-door (aka retry loop),
which means we can't rely too much on variable initializers.
Fixes: 6e455f5dcdd1 ("drm/crtc: fix uninitialized variable use")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # sc7180, sdm845
Link: https://patchwork.freedesktop.org/patch/msgid/20240212215534.190682-1-robdclark@gmail.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index cb90e70d85e8..65f9f66933bb 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -904,6 +904,7 @@ out: connector_set = NULL; fb = NULL; mode = NULL; + num_connectors = 0; DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); |