Commit 28cb6ccd authored by Nicolas Kaiser's avatar Nicolas Kaiser Committed by David S. Miller
Browse files

gianfar: fix signedness issue 



irq_of_parse_and_map() has an unsigned return type.
Testing for a negative error value doesn't work here.

Signed-off-by: default avatarNicolas Kaiser <nikai@nikai.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 870634b0

drivers/net/gianfar.c

+3 −4
Original line number Diff line number Diff line
@@ -577,12 +577,11 @@ static int gfar_parse_group(struct device_node *np, 
			irq_of_parse_and_map(np, 1);

		priv->gfargrp[priv->num_grps].interruptError =

			irq_of_parse_and_map(np,2);

		if (priv->gfargrp[priv->num_grps].interruptTransmit < 0 ||

			priv->gfargrp[priv->num_grps].interruptReceive < 0 ||

			priv->gfargrp[priv->num_grps].interruptError < 0) {

		if (priv->gfargrp[priv->num_grps].interruptTransmit == NO_IRQ ||

		    priv->gfargrp[priv->num_grps].interruptReceive  == NO_IRQ ||

		    priv->gfargrp[priv->num_grps].interruptError    == NO_IRQ)

			return -EINVAL;

	}

	}



	priv->gfargrp[priv->num_grps].grp_id = priv->num_grps;

	priv->gfargrp[priv->num_grps].priv = priv;