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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2019-11-04 12:15:36 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-11-07 02:20:27 +0300 |
| commit | d0fbb51dfaa612f960519b798387be436e8f83c5 (patch) | |
| tree | 70a0334af7e0f3f426222f0cb9aa935fdbc34cb6 /kernel | |
| parent | 2836654a2735d3bc0479edd3ca7457d909b007ed (diff) | |
| download | linux-d0fbb51dfaa612f960519b798387be436e8f83c5.tar.xz | |
bpf, offload: Unlock on error in bpf_offload_dev_create()
We need to drop the bpf_devs_lock on error before returning.
Fixes: 9fd7c5559165 ("bpf: offload: aggregate offloads per-device")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Link: https://lore.kernel.org/bpf/20191104091536.GB31509@mwanda
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/offload.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/bpf/offload.c b/kernel/bpf/offload.c index ba635209ae9a..5b9da0954a27 100644 --- a/kernel/bpf/offload.c +++ b/kernel/bpf/offload.c @@ -678,8 +678,10 @@ bpf_offload_dev_create(const struct bpf_prog_offload_ops *ops, void *priv) down_write(&bpf_devs_lock); if (!offdevs_inited) { err = rhashtable_init(&offdevs, &offdevs_params); - if (err) + if (err) { + up_write(&bpf_devs_lock); return ERR_PTR(err); + } offdevs_inited = true; } up_write(&bpf_devs_lock); |