From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
Added check for return value of e1000_read_phy_reg().
Signed-off-by: Hou Zhiqiang Zhiqiang.Hou@nxp.com --- drivers/net/e1000.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c index 694114eca7..1f0d559415 100644 --- a/drivers/net/e1000.c +++ b/drivers/net/e1000.c @@ -4738,12 +4738,16 @@ e1000_phy_init_script(struct e1000_hw *hw) uint16_t fused, fine, coarse;
/* Move to analog registers page */ - e1000_read_phy_reg(hw, - IGP01E1000_ANALOG_SPARE_FUSE_STATUS, &fused); + if (e1000_read_phy_reg(hw, + IGP01E1000_ANALOG_SPARE_FUSE_STATUS, + &fused)) + return;
if (!(fused & IGP01E1000_ANALOG_SPARE_FUSE_ENABLED)) { - e1000_read_phy_reg(hw, - IGP01E1000_ANALOG_FUSE_STATUS, &fused); + if (e1000_read_phy_reg(hw, + IGP01E1000_ANALOG_FUSE_STATUS, + &fused)) + return;
fine = fused & IGP01E1000_ANALOG_FUSE_FINE_MASK; coarse = fused