eth_get_dev_by_name() is not safe to use for devname being NULL
as it uses strcmp. This patch makes it fail with a BUG().
Signed-off-by: Helmut Raiger <helmut.rai...@hale.at>
---
V2: use BUG_ON() instead of gracefully returning 0
net/eth.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/net/eth.c b/net/eth.c
index 6523834..deb41ba 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -107,6 +107,8 @@ struct eth_device *eth_get_dev_by_name(const char *devname)
{
struct eth_device *dev, *target_dev;
+ BUG_ON(devname == NULL);
+
if (!eth_devices)
return NULL;
--
1.7.4.4
--
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