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r8169: fix handling rtl_readphy 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 16:00:24 +02:00 committed by David S. Miller
parent f26bf06bea
commit 72521ea07c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/realtek/r8169.c
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@ -6081,7 +6081,7 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev;
u16 rg_saw_cnt;
int rg_saw_cnt;
u32 data;
static const struct ephy_info e_info_8168h_1[] = {
{ 0x1e, 0x0800, 0x0001 },