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accel/amdxdna: Use rcu_access_pointer for __rcu pointer

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Use rcu_access_pointer for pid in struct drm_file. This fixes sparse
warning.

Fixes: be462c97b7 ("accel/amdxdna: Add hardware context")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412311210.LfeHTzLw-lkp@intel.com/
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250102212244.1586340-4-lizhi.hou@amd.com
This commit is contained in:
Lizhi Hou
2025-01-03 23:38:13 -06:00
committed by Mario Limonciello
parent c199310be2
commit 1f74400529
1 changed files with 1 additions and 1 deletions
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drivers/accel/amdxdna/amdxdna_pci_drv.c
+1 -1
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@@ -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);