[PATCH] u-boot: fix error check in eth init

eth_start_udev can fail but errno could still be zero which causes the
function ignores the error silently. This fix catches the error
properly.

Signed-off-by: Yuxiao Zhang <[email protected]>
---

 net/eth-uclass.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/eth-uclass.c b/net/eth-uclass.c
index 5c437143a30..5518268bd68 100644
--- a/net/eth-uclass.c
+++ b/net/eth-uclass.c
@@ -347,12 +347,13 @@ int eth_init(void)
 			debug("Trying %s\n", current->name);
 
 			ret = eth_start_udev(current);
-			if (ret < 0)
-				ret = eth_errno;
-			else
+			if (ret < 0) {
+				if (eth_errno < 0)
+					ret = eth_errno;
+				debug("%s start failed (ret=%d)\n", current->name, ret);
+			} else {
 				break;
-
-			debug("FAIL\n");
+			}
 		} else {
 			debug("PROBE FAIL\n");
 		}
---
base-commit: 4d499701629ec07d32e3dacbf9d9bd43d9e8032f
branch: main

-- 
2.55.0.887.g758fc8c411-goog