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Subject[PATCH 1/2] drm/vmwgfx: make vmw_kms_helper_dirty return an initialized value
Date
In vmw_kms_helper_dirty(), local variable ret is never initialized
before begin used in a return statement when vmw_fifo_reserve() fails.
Instead of returning an uninitialized value, return -ENOMEM here and
remove the useless variable.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 61fb7f3de311..15a6c01cd016 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1685,7 +1685,6 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
struct drm_crtc *crtc;
u32 num_units = 0;
u32 i, k;
- int ret;

dirty->dev_priv = dev_priv;

@@ -1711,7 +1710,7 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
if (!dirty->cmd) {
DRM_ERROR("Couldn't reserve fifo space "
"for dirty blits.\n");
- return ret;
+ return -ENOMEM;
}
memset(dirty->cmd, 0, dirty->fifo_reserve_size);
}
--
2.5.2


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