On Fri, 8 May 2020 at 09:16, Christian König <christian.koenig@xxxxxxx> wrote:
>
> Am 07.05.20 um 20:03 schrieb Sam Ravnborg:
> > Hi Emil.
> >
> > On Thu, May 07, 2020 at 04:07:52PM +0100, Emil Velikov wrote:
> >> From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> >>
> >> The driver does not hold struct_mutex, thus using the locked version of
> >> the helper is incorrect.
> >>
> >> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> >> Cc: Christian König <christian.koenig@xxxxxxx>
> >> Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> >> Fixes: a39414716ca0 ("drm/amdgpu: add independent DMA-buf import v9"):
> >> Signed-off-by: Emil Velikov <emil.l.velikov@xxxxxxxxx>
> >> ---
> >> drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> >> index 43d8ed7dbd00..652c57a3b847 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> >> @@ -587,7 +587,7 @@ struct drm_gem_object *amdgpu_gem_prime_import(struct drm_device *dev,
> >> attach = dma_buf_dynamic_attach(dma_buf, dev->dev,
> >> &amdgpu_dma_buf_attach_ops, obj);
> >> if (IS_ERR(attach)) {
> >> - drm_gem_object_put(obj);
> >> + drm_gem_object_put_unlocked(obj);
> >> return ERR_CAST(attach);
> >> }
> > Likewise previous patch.
> > Drop this as the patch is correct after the rename a few pathces later.
>
> Well this is a bug fix in the error path and should probably be back
> ported, so having a separate patch is certainly a good idea.
>
Precisely the goal here. The fixes tag should allow Greg and team to
pick/port it where applicable.
-Emil
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
