Use rcu_access_pointer for pid in struct drm_file. This fixes sparse
warning.
Fixes: be462c97b7df ("accel/amdxdna: Add hardware context")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202412311210.LfeHTzLw-lkp@xxxxxxxxx/
Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxx>
---
drivers/accel/amdxdna/amdxdna_pci_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.c b/drivers/accel/amdxdna/amdxdna_pci_drv.c
index 194e44fc243d..97d4a032171f 100644
--- a/drivers/accel/amdxdna/amdxdna_pci_drv.c
+++ b/drivers/accel/amdxdna/amdxdna_pci_drv.c
@@ -61,7 +61,7 @@ static int amdxdna_drm_open(struct drm_device *ddev, struct drm_file *filp)
goto put_rpm;
}
- client->pid = pid_nr(filp->pid);
+ client->pid = pid_nr(rcu_access_pointer(filp->pid));
client->xdna = xdna;
client->sva = iommu_sva_bind_device(xdna->ddev.dev, current->mm);
--
2.34.1
