Joy Chakraborty
67b6d03dca
rtc: cmos: Fix return value of nvmem callbacks ...
commit 1c184baccf0d5e2ef4cc1562261d0e48508a1c2b upstream.
Read/write callbacks registered with nvmem core expect 0 to be returned
on success and a negative value to be returned on failure.
cmos_nvram_read()/cmos_nvram_write() currently return the number of
bytes read or written, fix to return 0 on success and -EIO incase number
of bytes requested was not read or written.
Fixes: 8b5b7958fdstable@vger.kernel.org
Signed-off-by: Joy Chakraborty <joychakr@google.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20240612083635.1253039-1-joychakr@google.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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67b6d03dca