Re: [PATCH v2 10/13] mwifiex: re-fix for unaligned accesses

Kalle Valo
2021-05-15T06:23:23Z

Arnd Bergmann <arnd@kernel.org> writes:

> From: Arnd Bergmann <arnd@arndb.de>
>
> 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")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Via which tree should this go? I assume it will go via some other tree
so:

Acked-by: Kalle Valo <kvalo@codeaurora.org>

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