wifi: mt76: mt7921: Fix use-after-free in fw features query.

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Stop referencing 'features' memory after release_firmware is called.

Fixes this crash:

RIP: 0010:mt7921_check_offload_capability+0x17d
mt7921_pci_probe+0xca/0x4b0
...

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/51fd8f76494348aa9ecbf0abc471ebe47a983dfd.1679502607.git.lorenzo@kernel.org

...

This commit is contained in:

Ben Greear 2023-03-22 17:37:17 +01:00 • committed by Kalle Valo

parent e4efa515d5

commit 2ceb76f734

1 changed files with 5 additions and 2 deletions

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7

drivers/net/wireless/mediatek/mt76/mt7921/init.c

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