diff options
author | Takashi Iwai <tiwai@suse.de> | 2017-10-05 15:08:57 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2017-10-05 15:08:57 +0200 |
commit | 3a9fce327ff9cabf7f89d3f20616a83af28393da (patch) | |
tree | c516d3e7023e7fe2dc8d4cf60e2ec03f3c9b5958 /kernel/bpf/devmap.c | |
parent | e195a331c4124a6527e5e1b6fbd93a6b4a984d7b (diff) | |
parent | 394ca81cb4c1518e9463fe342fb1ae8a9f46a82d (diff) |
Merge branch 'topic/timer-api' into for-next
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) |