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bpf: devmap: remove redundant assignment of dev = dev 

The assignment dev = dev is redundant and should be removed.

Detected by CoverityScan, CID#1469486 ("Evaluation order violation")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Colin Ian King 2018-05-30 16:09:16 +01:00 committed by Alexei Starovoitov
parent 13a370b9d2
commit 71b2c87df3
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/devmap.c
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@ -352,7 +352,7 @@ int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
static void *dev_map_lookup_elem(struct bpf_map *map, void *key)
{
struct bpf_dtab_netdev *obj = __dev_map_lookup_elem(map, *(u32 *)key);
struct net_device *dev = dev = obj ? obj->dev : NULL;
struct net_device *dev = obj ? obj->dev : NULL;
return dev ? &dev->ifindex : NULL;
}