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| author |   Eiichi Tsukata <eiichi.tsukata@nutanix.com> | 2021-11-21 04:16:07 +0000 |
|---|---|---|
| committer |   David Howells <dhowells@redhat.com> | 2021-11-29 15:39:40 +0000 |
| commit | ca77fba821351190777b236ce749d7c4d353102e (patch) | |
| tree | 905ec8e2da586f4a8eedbf21504c56f3553b7a9e /net/rxrpc/conn_client.c | |
| parent | selftests: add arp_ndisc_evict_nocarrier to Makefile (diff) | |
| download | linux-dev-ca77fba821351190777b236ce749d7c4d353102e.tar.xz linux-dev-ca77fba821351190777b236ce749d7c4d353102e.zip | |
rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()
Need to call rxrpc_put_peer() for bundle candidate before kfree() as it
holds a ref to rxrpc_peer.
[DH: v2: Changed to abstract out the bundle freeing code into a function]
Fixes: 245500d853e9 ("rxrpc: Rewrite the client connection manager")
Signed-off-by: Eiichi Tsukata <eiichi.tsukata@nutanix.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/20211121041608.133740-1-eiichi.tsukata@nutanix.com/ # v1
Diffstat (limited to '')
| -rw-r--r-- | net/rxrpc/conn_client.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c index dbea0bfee48e..8120138dac01 100644 --- a/net/rxrpc/conn_client.c +++ b/net/rxrpc/conn_client.c @@ -135,16 +135,20 @@ struct rxrpc_bundle *rxrpc_get_bundle(struct rxrpc_bundle *bundle) return bundle; } +static void rxrpc_free_bundle(struct rxrpc_bundle *bundle) +{ + rxrpc_put_peer(bundle->params.peer); + kfree(bundle); +} + void rxrpc_put_bundle(struct rxrpc_bundle *bundle) { unsigned int d = bundle->debug_id; unsigned int u = atomic_dec_return(&bundle->usage); _debug("PUT B=%x %u", d, u); - if (u == 0) { - rxrpc_put_peer(bundle->params.peer); - kfree(bundle); - } + if (u == 0) + rxrpc_free_bundle(bundle); } /* @@ -328,7 +332,7 @@ static struct rxrpc_bundle *rxrpc_look_up_bundle(struct rxrpc_conn_parameters *c return candidate; found_bundle_free: - kfree(candidate); + rxrpc_free_bundle(candidate); found_bundle: rxrpc_get_bundle(bundle); spin_unlock(&local->client_bundles_lock); |