[v1,23/24] net/e1000/base: fix unchecked return

Message ID e2f59dcc3e5b15d9fc3c62d1165726e90aa776a4.1738858026.git.anatoly.burakov@intel.com (mailing list archive)
State Accepted
Delegated to: Bruce Richardson
Headers
Series Fixes for igc and e1000 |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Burakov, Anatoly Feb. 6, 2025, 4:08 p.m. UTC
From: Dima Ruinskiy <dima.ruinskiy@intel.com>

Static analysis has detected a write that is not checked for errors,
leading to ignored error return value. Add a check.

Fixes: edcdb3c5f71b ("e1000/base: fix link flap on 82579")
Cc: stable@dpdk.org

Signed-off-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 drivers/net/intel/e1000/base/e1000_ich8lan.c | 2 ++
 1 file changed, 2 insertions(+)
  

Patch

diff --git a/drivers/net/intel/e1000/base/e1000_ich8lan.c b/drivers/net/intel/e1000/base/e1000_ich8lan.c
index 14f86b7bdc..f5f91a148c 100644
--- a/drivers/net/intel/e1000/base/e1000_ich8lan.c
+++ b/drivers/net/intel/e1000/base/e1000_ich8lan.c
@@ -962,6 +962,8 @@  s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
 		data &= ~I82579_LPI_100_PLL_SHUT;
 		ret_val = e1000_write_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
 						     data);
+		if (ret_val)
+			goto release;
 	}
 
 	/* R/Clr IEEE MMD 3.1 bits 11:10 - Tx/Rx LPI Received */