From mboxrd@z Thu Jan 1 00:00:00 1970 From: trix@redhat.com Date: Fri, 21 May 2021 12:50:19 -0700 Subject: [Intel-wired-lan] [PATCH] igc: change default return of igc_read_phy_reg() Message-ID: <20210521195019.2078661-1-trix@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: From: Tom Rix Static analysis reports this problem igc_main.c:4944:20: warning: The left operand of '&' is a garbage value if (!(phy_data & SR_1000T_REMOTE_RX_STATUS) && ~~~~~~~~ ^ pyy_data is set by the call to igc_read_phy_reg() only if there is a read_reg() op, else it is unset and a 0 is returned. Change the return to -EOPNOTSUPP. Fixes: 208983f099d9 ("igc: Add watchdog") Signed-off-by: Tom Rix --- drivers/net/ethernet/intel/igc/igc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index b6d3277c6f520..71100ee7afbee 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -577,7 +577,7 @@ static inline s32 igc_read_phy_reg(struct igc_hw *hw, u32 offset, u16 *data) if (hw->phy.ops.read_reg) return hw->phy.ops.read_reg(hw, offset, data); - return 0; + return -EOPNOTSUPP; } void igc_reinit_locked(struct igc_adapter *); -- 2.26.3