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pds_core: don't release PCI regions for VFs on reset

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pdsc_reset_prepare() called pci_release_regions() unconditionally, but
only PFs call pci_request_regions() (pdsc_init_pf). On a VF FLR this
makes the kernel warn "Trying to free nonexistent resource".

Fixes: ffa5585833 ("pds_core: implement pci reset handlers")
Reported-by: sashiko-bot <sashiko-bot@kernel.org>
Closes: https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260804235946.177762-1-nikhil.rao%40amd.com
Signed-off-by: Nikhil P. Rao <nikhil.rao@amd.com>
Link: https://patch.msgid.link/20260901044219.1361466-3-nikhil.rao@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nikhil P. Rao 2026-09-01 04:42:18 +00:00 committed by Jakub Kicinski
parent 7980325b2f
commit 73608de7e5
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/amd/pds_core/main.c
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@ -517,8 +517,8 @@ static void pdsc_reset_prepare(struct pci_dev *pdev)
mutex_lock(&pdsc->devcmd_lock);
pdsc_unmap_bars(pdsc);
mutex_unlock(&pdsc->devcmd_lock);
pci_release_regions(pdev);
}
pci_release_regions(pdev);
if (pci_is_enabled(pdev))
pci_disable_device(pdev);
pdsc_deferred_dma_free(pdsc);