In eth_init(), eth_get_dev() can return NULL. We should do sanity
test on eth dev before calling its start function.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
---
net/eth.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/eth.c b/net/eth.c
index 26520d3..6ec3a86 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -370,6 +370,10 @@ int eth_init(void)
eth_try_another(0);
/* This will ensure the new "current" attempted to probe */
current = eth_get_dev();
+ if (!current) {
+ printf("No ethernet found.\n");
+ break;
+ }
} while (old_current != current);
return ret;
--
1.8.2.1
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