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net: hisilicon: fix handling platform_get_irq result 

The function can return negative value.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2046107

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrzej Hajda 2015-09-24 16:00:15 +02:00 committed by David S. Miller
parent 518a7cb698
commit f26bf06bea
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/hisilicon/hip04_eth.c
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@ -816,7 +816,7 @@ static int hip04_mac_probe(struct platform_device *pdev)
struct net_device *ndev;
struct hip04_priv *priv;
struct resource *res;
unsigned int irq;
int irq;
int ret;
ndev = alloc_etherdev(sizeof(struct hip04_priv));