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igc: igc_read_phy_reg_gpy: drop premature return

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commit fda2635466cd26ad237e1bc5d3f6a60f97ad09b6 upstream.

igc_read_phy_reg_gpy checks the return value from igc_read_phy_reg_mdic
and if it's not 0, returns immediately. By doing this, it leaves the HW
semaphore in the acquired state.

Drop this premature return statement, the function returns after
releasing the semaphore immediately anyway.

Fixes: 5586838fe9 ("igc: Add code for PHY support")
Signed-off-by: Corinna Vinschen <vinschen@redhat.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Corinna Vinschen 2022-02-16 14:31:35 +01:00 committed by Greg Kroah-Hartman
parent 44ff6c29b2
commit 87765309bf
1 changed files with 0 additions and 2 deletions
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2
drivers/net/ethernet/intel/igc/igc_phy.c
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@ -767,8 +767,6 @@ s32 igc_read_phy_reg_gpy(struct igc_hw *hw, u32 offset, u16 *data)
if (ret_val)
return ret_val;
ret_val = igc_read_phy_reg_mdic(hw, offset, data);
if (ret_val)
return ret_val;
hw->phy.ops.release(hw);
} else {
ret_val = igc_read_xmdio_reg(hw, (u16)offset, dev_addr,