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phy: Fix warning in get_phy_device().

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drivers/net/phy/phy_device.c: In function ‘get_phy_device’:
drivers/net/phy/phy_device.c:340:14: warning: ‘phy_id’ may be used uninitialized in this function [-Wmaybe-uninitialized]

GCC can't see that when we return zero we always initialize
phy_id and that's the only path where we use it.

Initialize phy_id to zero to shut it up.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-06-27 21:28:14 -07:00
parent d4fc6918f4
commit 160c85f0e0
1 changed files with 2 additions and 2 deletions
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4
drivers/net/phy/phy_device.c
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@ -327,9 +327,9 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id,
*/
struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45)
{
struct phy_device *dev = NULL;
u32 phy_id;
struct phy_c45_device_ids c45_ids = {0};
struct phy_device *dev = NULL;
u32 phy_id = 0;
int r;
r = get_phy_id(bus, addr, &phy_id, is_c45, &c45_ids);