net: dsa: lan9303: check error value from devm_gpiod_get_optional()

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devm_gpiod_get_optional() can return an error in addition to a NULL ptr.
Check for error and propagate that to the probe function. Check return
value in probe. This will now handle EPROBE_DEFER for the reset gpio.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Phil Reid 2018-01-10 15:39:33 +08:00 • committed by David S. Miller

parent a57d476d97

commit f16891326c

1 changed files with 10 additions and 4 deletions

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drivers/net/dsa/lan9303-core.c

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