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Commit 34de9f1d authored by Dmitry Antipov's avatar Dmitry Antipov Committed by Greg Kroah-Hartman
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wifi: mwifiex: fix error recovery in PCIE buffer descriptor management



[ Upstream commit 288c63d5cb4667a51a04668b3e2bb0ea499bc5f4 ]

Add missing 'kfree_skb()' in 'mwifiex_init_rxq_ring()' and never do
'kfree(card->rxbd_ring_vbase)' because this area is DMAed and should
be released with 'dma_free_coherent()'. The latter is performed in
'mwifiex_pcie_delete_rxbd_ring()', which is now called to recover
from possible errors in 'mwifiex_pcie_create_rxbd_ring()'. Likewise
for 'mwifiex_pcie_init_evt_ring()', 'kfree(card->evtbd_ring_vbase)'
'mwifiex_pcie_delete_evtbd_ring()' and 'mwifiex_pcie_create_rxbd_ring()'.

Fixes: d930faee ("mwifiex: add support for Marvell pcie8766 chipset")
Signed-off-by: default avatarDmitry Antipov <dmantipov@yandex.ru>
Acked-by: default avatarBrian Norris <briannorris@chromium.org>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230731074334.56463-1-dmantipov@yandex.ru


Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 87f8c544
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