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authorArnd Bergmann <arnd@arndb.de>2021-05-08 00:07:55 +0200
committerArnd Bergmann <arnd@arndb.de>2021-05-17 13:30:29 +0200
commit8f4e3d48bb50765ab27ae5bebed2595b20de80a1 (patch)
treec78873fe604cb889bc1e75f0e5fcd52a8b21960f /net/core/netpoll.c
parentapparmor: use get_unaligned() only for multi-byte words (diff)
downloadlinux-dev-8f4e3d48bb50765ab27ae5bebed2595b20de80a1.tar.xz
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mwifiex: re-fix for unaligned accesses
A patch from 2017 changed some accesses to DMA memory to use get_unaligned_le32() and similar interfaces, to avoid problems with doing unaligned accesson uncached memory. However, the change in the mwifiex_pcie_alloc_sleep_cookie_buf() function ended up changing the size of the access instead, as it operates on a pointer to u8. Change this function back to actually access the entire 32 bits. Note that the pointer is aligned by definition because it came from dma_alloc_coherent(). Fixes: 92c70a958b0b ("mwifiex: fix for unaligned reads") Acked-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'net/core/netpoll.c')
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