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(parent: 2635e3b) | patch
virtio: pci: Check virtio configs are mapped
authorAndrew Scull <ascull@google.com>
Thu, 21 Apr 2022 16:11:14 +0000 (16:11 +0000)
committerTom Rini <trini@konsulko.com>
Tue, 3 May 2022 22:33:29 +0000 (18:33 -0400)
commitc763e1e023cc08e6ec5fefc2be3ae28d685c0e21
tree99e64cb14f47e4b6e4e980c6c2cf336cde00da7ctree | snapshot
parent2635e3b50f8e646fc54c2bb15a017dea61a64a68commit | diff
virtio: pci: Check virtio configs are mapped

Prepare for calls to `virtio_pci_map_capability()` failing by returning
NULL on error. If this happens, later accesses to the pointers would be
unsafe so cause the probe to fail if such an error occurs.

Signed-off-by: Andrew Scull <ascull@google.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
drivers/virtio/virtio_pci_modern.c diff | blob | history
Domain: System / Kernel;