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migf->filp is accessed after migf has been freed. Save the error
value before calling kfree() to prevent use-after-free.
Fixes: 1f5556ec8b9e ("vfio/xe: Add device specific vfio_pci driver variant for Intel graphics")
Signed-off-by: Alper Ak <alperyasinak1@gmail.com>
Link: https://lore.kernel.org/r/20251225151349.360870-1-alperyasinak1@gmail.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
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New requirement for the vfio drivers was added by the commit
f97859503859 ("vfio: Require drivers to implement get_region_info")
followed by commit 1b0ecb5baf4a ("vfio/pci: Convert all PCI drivers
to get_region_info_caps") that was missed by the new vfio/xe driver.
Add handler for .get_region_info_caps to avoid -EINVAL errors.
Fixes: 2e38c50ae492 ("vfio/xe: Add device specific vfio_pci driver variant for Intel graphics")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Marcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Tested-by: Marcin Bernatowicz <marcin.bernatowicz@linux.intel.com>
Link: https://lore.kernel.org/r/20251218205106.4578-1-michal.wajdeczko@intel.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
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In addition to generic VFIO PCI functionality, the driver implements
VFIO migration uAPI, allowing userspace to enable migration for Intel
Graphics SR-IOV Virtual Functions.
The driver binds to VF device and uses API exposed by Xe driver to
transfer the VF migration data under the control of PF device.
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Alex Williamson <alex@shazbot.org>
Link: https://patch.msgid.link/20251127093934.1462188-5-michal.winiarski@intel.com
Link: https://lore.kernel.org/all/20251128125322.34edbeaf.alex@shazbot.org/
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
(cherry picked from commit 2e38c50ae4929f0b954fee69d428db7121452867)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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