Messages in this thread Patch in this message | | | From | Ziyang Xuan <> | Subject | [PATCH net] nfc: fix error handling of nfc_proto_register() | Date | Wed, 13 Oct 2021 11:49:32 +0800 |
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When nfc proto id is using, nfc_proto_register() return -EBUSY error code, but forgot to unregister proto. Fix it by adding proto_unregister() in the error handling case.
Fixes: c7fe3b52c128 ("NFC: add NFC socket family") Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com> --- net/nfc/af_nfc.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/net/nfc/af_nfc.c b/net/nfc/af_nfc.c index 6024fad905ff..dda323e0a473 100644 --- a/net/nfc/af_nfc.c +++ b/net/nfc/af_nfc.c @@ -60,6 +60,9 @@ int nfc_proto_register(const struct nfc_protocol *nfc_proto) proto_tab[nfc_proto->id] = nfc_proto; write_unlock(&proto_tab_lock); + if (rc) + proto_unregister(nfc_proto->proto); + return rc; } EXPORT_SYMBOL(nfc_proto_register); -- 2.25.1
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