don't open-code file_inode()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 3cb5e903cd62..2636f619569e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -283,7 +283,7 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
 static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf,
                                         size_t size, loff_t *pos)
 {
-        struct amdgpu_ring *ring = (struct amdgpu_ring*)f->f_inode->i_private;
+        struct amdgpu_ring *ring = file_inode(f)->i_private;
         int r, i;
         uint32_t value, result, early[3];