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Wolfram Sang authored
The open coded version differs from the one in the core in one way: the buffer will be always copied back, even when the transfer failed. Be more robust: use the block read from the I2C core and propagate a potential errno further to the sanity checks. Signed-off-by:
Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by:
Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by:
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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