[PATCH v6 0/3] Fix IS_ERR() vs NULL check for drm

w fixup patches, to fix IS_ERR() vs NULL check for drm, and avoid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (3): drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe() drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb() drm/komeda: Fix

[PATCH v6 2/3] drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb()

The msm_gem_get_vaddr() returns an ERR_PTR() on failure, and a null is catastrophic here, so we should use IS_ERR_OR_NULL() to check the return value. Fixes: 6a8bd08d0465 ("drm/msm: add sudo flag to submit ioctl") Signed-off-by: Gaosheng Cui Reviewed-by: Dmitry Baryshkov Reviewed-b

[PATCH v6 3/3] drm/komeda: Fix IS_ERR_OR_NULL() vs NULL check in komeda_component_get_avail_scaler()

The komeda_pipeline_get_state() returns an ERR_PTR() on failure, and a null is catastrophic here we should use IS_ERR_OR_NULL() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui Reviewed-by: L

[PATCH v6 1/3] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/panel/panel-novatek-nt35950.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c index 8b108ac80b55..eaba0b8d4340 100644 --- a/drivers/gpu

[PATCH v5 3/3] drm/komeda: Fix IS_ERR_OR_NULL() vs NULL check in komeda_component_get_avail_scaler()

The komeda_pipeline_get_state() returns an ERR_PTR() on failure, and a null is catastrophic here we should use IS_ERR_OR_NULL() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui Reviewed-by: L

[PATCH v5 0/3] Fix IS_ERR() vs NULL check for drm

oid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (3): drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe() drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb() drm/komeda: Fix IS_ERR_OR_NULL() vs NULL check in komeda_component_get_avail_scaler() driv

[PATCH v5 1/3] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/panel/panel-novatek-nt35950.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c index 8b108ac80b55..2731ce02ce53 100644 --- a/drivers/gpu

[PATCH v5 2/3] drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb()

The msm_gem_get_vaddr() returns an ERR_PTR() on failure, and a null is catastrophic here, so we should use IS_ERR_OR_NULL() to check the return value. Fixes: 6a8bd08d0465 ("drm/msm: add sudo flag to submit ioctl") Signed-off-by: Gaosheng Cui Reviewed-by: Dmitry Baryshkov Reviewed-b

[PATCH v4 2/3] drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb()

The msm_gem_get_vaddr() returns an ERR_PTR() on failure, and a null is catastrophic here, so we should use IS_ERR_OR_NULL() to check the return value. Fixes: 6a8bd08d0465 ("drm/msm: add sudo flag to submit ioctl") Signed-off-by: Gaosheng Cui Reviewed-by: Dmitry Baryshkov Reviewed-b

[PATCH v4 1/3] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/panel/panel-novatek-nt35950.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c index 8b108ac80b55..2731ce02ce53 100644 --- a/drivers/gpu

[PATCH v4 3/3] drm/komeda: Fix IS_ERR() vs NULL check in komeda_component_get_avail_scaler()

The komeda_pipeline_get_state() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui Reviewed-by: Liviu Dudau --- drivers/gpu/drm/arm/disp

[PATCH v4 0/3] Fix IS_ERR() vs NULL check for drm

Fix IS_ERR() vs NULL check for vc4_kms" 3. add "Reviewed-by: Abhinav Kumar " to the second patch. Thanks! v1: - This series contains a few fixup patches, to fix IS_ERR() vs NULL check for drm, and avoid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (3): drm/pan

[PATCH v3 2/3] drm/msm: Fix IS_ERR() vs NULL check in a5xx_submit_in_rb()

The msm_gem_get_vaddr() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 6a8bd08d0465 ("drm/msm: add sudo flag to submit ioctl") Signed-off-by: Gaosheng Cui Reviewed-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Reviewed-by: Akhi

[PATCH v3 1/3] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

The mipi_dsi_device_register_full() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 623a3531e9cf ("drm/panel: Add driver for Novatek NT35950 DSI DriverIC panels") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/panel/panel-novatek-nt35950.c

[PATCH v3 3/3] drm/komeda: Fix IS_ERR() vs NULL check in komeda_component_get_avail_scaler()

The komeda_pipeline_get_state() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui Reviewed-by: Liviu Dudau --- drivers/gpu/drm/arm/disp

[PATCH v3 0/3] Fix IS_ERR() vs NULL check for drm

is series contains a few fixup patches, to fix IS_ERR() vs NULL check for drm, and avoid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (3): drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe() drm/msm: Fix IS_ERR() vs NULL check in a5xx_submit_in_rb() drm/kome

[PATCH v2 2/3] drm/msm: Fix IS_ERR() vs NULL check in a5xx_submit_in_rb()

The msm_gem_get_vaddr() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 6a8bd08d0465 ("drm/msm: add sudo flag to submit ioctl") Signed-off-by: Gaosheng Cui Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 2 +- 1 file

[PATCH v2 3/3] drm/komeda: Fix IS_ERR() vs NULL check in komeda_component_get_avail_scaler()

The komeda_pipeline_get_state() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c

[PATCH v2 1/3] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

The mipi_dsi_device_register_full() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 623a3531e9cf ("drm/panel: Add driver for Novatek NT35950 DSI DriverIC panels") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/panel/panel-novatek-nt35950.c

[PATCH v2 0/3] Fix IS_ERR() vs NULL check for drm

or vc4_kms" 3. add "Reviewed-by: Abhinav Kumar " to the second patch. Thanks! v1: - This series contains a few fixup patches, to fix IS_ERR() vs NULL check for drm, and avoid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (3): drm/panel: Fix IS_ERR() vs NULL

[PATCH] drm: Fix possible memleak and UAF in drm_addmap_core()

map handles") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/drm_bufs.c | 5 + 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c index fcca21e8efac..3b9563194715 100644 --- a/drivers/gpu/drm/drm_bufs.c +++ b/drivers/gpu/drm/drm_bufs.c @

[PATCH] video: ep93xx: Add missing clk_disable_unprepare in ep93xxfb_probe()

The clk_disable_unprepare() should be called in the error handling of register_framebuffer(), fix it. Fixes: 0937a7b3625d ("video: ep93xx: Prepare clock before using it") Signed-off-by: Gaosheng Cui --- drivers/video/fbdev/ep93xx-fb.c | 4 +++- 1 file changed, 3 insertions(+),

[PATCH] dma-buf: Fix possible UAF in dma_buf_export

n list traversal may cause UAF. Fix by removeing it from db_list.head before free(). Fixes: ef3a6b70507a ("dma-buf: call dma_buf_stats_setup after dmabuf is in valid list") Signed-off-by: Gaosheng Cui --- drivers/dma-buf/dma-buf.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/dri

[PATCH 4/5] drm/komeda: Fix IS_ERR() vs NULL check in komeda_component_get_avail_scaler()

The komeda_pipeline_get_state() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 502932a03fce ("drm/komeda: Add the initial scaler support for CORE") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c

[PATCH 0/5] Fix IS_ERR() vs NULL check for drm

This series contains a few fixup patches, to fix IS_ERR() vs NULL check for drm, and avoid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (5): drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe() drm/msm: Fix IS_ERR() vs NULL check in a5xx_submit_in_rb() drm/msm: Fix

[PATCH 5/5] drm/vc4: kms: Fix IS_ERR() vs NULL check for vc4_kms

lock_rate, new_hvs_state->core_clock_rate); <-- null-ptr-defer Fixes: 9ec03d7f1ed3 ("drm/vc4: kms: Wait on previous FIFO users before a commit") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/vc4/vc4_kms.c | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/driver

[PATCH 3/5] drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in msm_icc_get()

The of_icc_get() function returns NULL or error pointers on error path, so we should use IS_ERR_OR_NULL() to check the return value. Fixes: 5ccdcecaf8f7 ("drm/msm: lookup the ICC paths in both mdp5/dpu and mdss devices") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/msm/msm_io_u

[PATCH 2/5] drm/msm: Fix IS_ERR() vs NULL check in a5xx_submit_in_rb()

The msm_gem_get_vaddr() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 6a8bd08d0465 ("drm/msm: add sudo flag to submit ioctl") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 2 +- 1 file changed, 1 insertion(+),

[PATCH 1/5] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

The mipi_dsi_device_register_full() returns an ERR_PTR() on failure, we should use IS_ERR() to check the return value. Fixes: 623a3531e9cf ("drm/panel: Add driver for Novatek NT35950 DSI DriverIC panels") Signed-off-by: Gaosheng Cui --- drivers/gpu/drm/panel/panel-novatek-nt35950.c

[PATCH] drm/ttm: fix undefined behavior in bit shift for TTM_TT_FLAG_PRIV_POPULATED

("drm/ttm: move populated state into page flags") Signed-off-by: Gaosheng Cui --- include/drm/ttm/ttm_tt.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h index 17a0310e8aaa..b7d3f3843f1e 100644 --- a/include/drm/tt