From cd9a21a831af0af7539a0e37e4455da03df7cf82 Mon Sep 17 00:00:00 2001 From: Dave Jones Date: Thu, 30 Jan 2014 21:27:25 -0500 Subject: [PATCH] vmwgfx: Fix unitialized stack read in vmw_setup_otable_base One of the error paths in vmw_setup_otable_base causes us to return with 'ret' having never been set to anything causing us to return whatever was on the stack. Found with Coverity Signed-off-by: Dave Jones Reviewed-by: Thomas Hellstrom --- drivers/gpu/drm/vmwgfx/vmwgfx_mob.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c index 4910e7b81811..d4a5a19cb8c3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c @@ -134,6 +134,7 @@ static int vmw_setup_otable_base(struct vmw_private *dev_priv, cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); if (unlikely(cmd == NULL)) { DRM_ERROR("Failed reserving FIFO space for OTable setup.\n"); + ret = -ENOMEM; goto out_no_fifo; } -- 2.34.1