Thread (17 messages) 17 messages, 8 authors, 2d ago
WARM1d

[PATCH 09/36] net: intel: remove conditional return with no effect

From: Sang-Heon Jeon <hidden>
Date: 2026-07-23 18:46:26
Also in: cocci, intel-wired-lan, lkml
Subsystem: intel ethernet drivers, networking drivers, the rest · Maintainers: Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Both branches of the check return the same value, so the check has
no effect. Remove it and return the value directly.

This is the result of running the Coccinelle script from
scripts/coccinelle/misc/cond_return_no_effect.cocci.

Signed-off-by: Sang-Heon Jeon <redacted>
---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 8 +-------
 drivers/net/ethernet/intel/igb/e1000_i210.c | 6 +-----
 drivers/net/ethernet/intel/igc/igc_phy.c    | 6 +-----
 3 files changed, 3 insertions(+), 17 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index a04683004a56..0cd0e5597c90 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -4864,16 +4864,10 @@ static void i40e_control_rx_q(struct i40e_pf *pf, int pf_q, bool enable)
  **/
 int i40e_control_wait_rx_q(struct i40e_pf *pf, int pf_q, bool enable)
 {
-	int ret = 0;
-
 	i40e_control_rx_q(pf, pf_q, enable);
 
 	/* wait for the change to finish */
-	ret = i40e_pf_rxq_wait(pf, pf_q, enable);
-	if (ret)
-		return ret;
-
-	return ret;
+	return i40e_pf_rxq_wait(pf, pf_q, enable);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c
index 9db29b231d6a..784f9a7bcbed 100644
--- a/drivers/net/ethernet/intel/igb/e1000_i210.c
+++ b/drivers/net/ethernet/intel/igb/e1000_i210.c
@@ -756,11 +756,7 @@ static s32 __igb_access_xmdio_reg(struct e1000_hw *hw, u16 address,
 		return ret_val;
 
 	/* Recalibrate the device back to 0 */
-	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, 0);
-	if (ret_val)
-		return ret_val;
-
-	return ret_val;
+	return hw->phy.ops.write_reg(hw, E1000_MMDAC, 0);
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/igc/igc_phy.c b/drivers/net/ethernet/intel/igc/igc_phy.c
index 4cf737fb3b21..b758a7e0f013 100644
--- a/drivers/net/ethernet/intel/igc/igc_phy.c
+++ b/drivers/net/ethernet/intel/igc/igc_phy.c
@@ -675,11 +675,7 @@ static s32 __igc_access_xmdio_reg(struct igc_hw *hw, u16 address,
 		return ret_val;
 
 	/* Recalibrate the device back to 0 */
-	ret_val = hw->phy.ops.write_reg(hw, IGC_MMDAC, 0);
-	if (ret_val)
-		return ret_val;
-
-	return ret_val;
+	return hw->phy.ops.write_reg(hw, IGC_MMDAC, 0);
 }
 
 /**
-- 
2.43.0
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