+ Joe
On Mon, Jan 4, 2021 at 12:53 PM Alex Deucher <[email protected]> wrote: > > Make sure the copy succeeded. Also fixes a warning. > > v2: fix the error check > > Signed-off-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c > index 455978781380..b033344c5ce2 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_securedisplay.c > @@ -101,7 +101,9 @@ static ssize_t amdgpu_securedisplay_debugfs_write(struct > file *f, const char __u > return -EINVAL; > > memset(str, 0, sizeof(str)); > - copy_from_user(str, buf, size); > + ret = copy_from_user(str, buf, size); > + if (ret) > + return -EFAULT; > > ret = pm_runtime_get_sync(dev->dev); > if (ret < 0) { > -- > 2.29.2 > _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
