From 011c2282c74db120f01a8414edc66c3f217f5511 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Fri, 19 Apr 2013 11:11:56 +1000 Subject: drm: prime: fix refcounting on the dmabuf import error path In commit be8a42ae60 we inroduced a refcount problem, where on the drm_gem_prime_fd_to_handle() error path we'll call dma_buf_put() for self imported dma buffers. Fix this by taking a reference on the dma buffer in the .gem_import hook instead of assuming the caller had taken one. Besides fixing the bug this is also more logical. Signed-off-by: Imre Deak Cc: stable@vger.kernel.org Reviewed-by: Daniel Vetter Signed-off-by: Dave Airlie --- drivers/gpu/drm/udl/udl_gem.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/udl') diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c index 3816270ba49b..ef034fa3e6f5 100644 --- a/drivers/gpu/drm/udl/udl_gem.c +++ b/drivers/gpu/drm/udl/udl_gem.c @@ -303,6 +303,8 @@ struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev, if (IS_ERR(attach)) return ERR_CAST(attach); + get_dma_buf(dma_buf); + sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL); if (IS_ERR(sg)) { ret = PTR_ERR(sg); @@ -322,5 +324,7 @@ fail_unmap: dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL); fail_detach: dma_buf_detach(dma_buf, attach); + dma_buf_put(dma_buf); + return ERR_PTR(ret); } -- cgit v1.2.3 From 33896bf3207d8812274747b8b96776d27082e580 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Fri, 19 Apr 2013 11:01:55 +1000 Subject: udl: bind the framebuffer to the correct device. This just moves the fb sysfs node beside the drm sysfs node which I fixed before. just noticed it in passing. Signed-off-by: Dave Airlie --- drivers/gpu/drm/udl/udl_fb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/udl') diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 9f4be3d4a02e..dc0c065f8d39 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -482,7 +482,7 @@ static int udlfb_create(struct drm_fb_helper *helper, struct udl_fbdev *ufbdev = (struct udl_fbdev *)helper; struct drm_device *dev = ufbdev->helper.dev; struct fb_info *info; - struct device *device = &dev->usbdev->dev; + struct device *device = dev->dev; struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd; struct udl_gem_object *obj; -- cgit v1.2.3