lan78xx: Correctly indicate invalid OTP

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lan78xx_read_otp tries to return -EINVAL in the event of invalid OTP
content, but the value gets overwritten before it is returned and the
read goes ahead anyway. Make the read conditional as it should be
and preserve the error code.

Fixes: 55d7de9de6 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Phil Elwell 2018-04-11 10:59:17 +01:00 • committed by David S. Miller

parent a43cced9a3

commit 4bfc33807a

1 changed files with 2 additions and 1 deletions

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drivers/net/usb/lan78xx.c

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