On Thu, Jun 11, 2015 at 02:03:18PM +0200, walter harms wrote: > > > Am 11.06.2015 10:49, schrieb Dan Carpenter: > > debugfs_create_file() can return an error pointer if debugfs is disabled > > or it can return NULL on error. > > > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > > index 36be03c..adba2a1 100644 > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > > @@ -1980,6 +1980,8 @@ static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) > > adev, &amdgpu_debugfs_regs_fops); > > if (IS_ERR(ent)) > > return PTR_ERR(ent); > > + if (!ent) > > + return -ENOMEM; > > i_size_write(ent->d_inode, adev->rmmio_size); > > adev->debugfs_regs = ent; > > > > would PTR_ERR_OR_ZERO() by an option ? > > on the other hand, > why does debugfs_create_file() does not return -ENOMEN instead of NULL ? > Actually if debugfs is disabled then we should probably carry on. Let me change it to: if (IS_ERR(ent)) return 0; if (!ent) return -ENOMEM; regards, dan carpenter _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
