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| author | David S. Miller <davem@davemloft.net> | 2017-09-23 10:16:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-09-23 10:16:53 -0700 |
| commit | 1f8d31d189cc6ce1e4b972959fda41e790bb92b8 (patch) | |
| tree | fd3cca12a29319f073773ac55f7d41cc58e2c73f /kernel/bpf/devmap.c | |
| parent | 3fb5ec06578e4c85d3486b6a73cbeb07960a51ce (diff) | |
| parent | cd4175b11685b11c40e31a03e05084cc212b0649 (diff) | |
| download | lwn-1f8d31d189cc6ce1e4b972959fda41e790bb92b8.tar.gz lwn-1f8d31d189cc6ce1e4b972959fda41e790bb92b8.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'kernel/bpf/devmap.c')
| -rw-r--r-- | kernel/bpf/devmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c index 959c9a07f318..e093d9a2c4dd 100644 --- a/kernel/bpf/devmap.c +++ b/kernel/bpf/devmap.c @@ -75,8 +75,8 @@ static u64 dev_map_bitmap_size(const union bpf_attr *attr) static struct bpf_map *dev_map_alloc(union bpf_attr *attr) { struct bpf_dtab *dtab; + int err = -EINVAL; u64 cost; - int err; /* check sanity of attributes */ if (attr->max_entries == 0 || attr->key_size != 4 || @@ -108,6 +108,8 @@ static struct bpf_map *dev_map_alloc(union bpf_attr *attr) if (err) goto free_dtab; + err = -ENOMEM; + /* A per cpu bitfield with a bit per possible net device */ dtab->flush_needed = __alloc_percpu(dev_map_bitmap_size(attr), __alignof__(unsigned long)); @@ -128,7 +130,7 @@ static struct bpf_map *dev_map_alloc(union bpf_attr *attr) free_dtab: free_percpu(dtab->flush_needed); kfree(dtab); - return ERR_PTR(-ENOMEM); + return ERR_PTR(err); } static void dev_map_free(struct bpf_map *map) |