Re: [PATCH] fix gpu/drm/nouveau: fix return type in nouveau_dmem_migrate_to_ram()
From: David Hildenbrand (Red Hat)
Date: Thu Nov 13 2025 - 06:50:28 EST
On 13.11.25 11:31, Balbir Singh wrote:
On 11/13/25 20:09, David Hildenbrand (Red Hat) wrote:
On 13.11.25 06:13, Balbir Singh wrote:
ret of type vm_fault_t is reused to capture the return value of
nouveau_dmem_copy_folio(), which returns an int. Use a new copy_ret
to fix the issue. The issue is not new, prior to this the function
called was called nouveau_dmem_copy_one() and ret was used to capture
it's value.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202511121922.oP20Lzb8-lkp@xxxxxxxxx/
It's a sparse warning, is there any runtime effect?
No impact really, it's just a sparse warning
Okay, then please
1) Make that clear in the patch description
2) Make that clear in the patch subject.
In particular, the current subject is weird. Should probably be
"nouveau/dmem: fix sparse warning in nouveau_dmem_migrate_to_ram()"
Change itself LGTM, although I would probably call it "int err" or something like that instead.
--
Cheers
David