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bpf, offload: Unlock on error in bpf_offload_dev_create()

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We need to drop the bpf_devs_lock on error before returning.

Fixes: 9fd7c55591 ("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
This commit is contained in:
Dan Carpenter 2019-11-04 12:15:36 +03:00 committed by Daniel Borkmann
parent 2836654a27
commit d0fbb51dfa
1 changed files with 3 additions and 1 deletions
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4
kernel/bpf/offload.c
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@ -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);