diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 11:44:20 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-02-17 11:44:20 -0800 |
| commit | 6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c (patch) | |
| tree | 49737aa9d6b50154c37ac9b2d6f6021b9eab61c1 /net/smc/af_smc.c | |
| parent | be6b41c15dc09c067492bd23668763f551747e4e (diff) | |
| parent | 8b97cae315cafd7debf3601f88621e2aa8956ef3 (diff) | |
| download | linux-6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/smc/af_smc.c')
| -rw-r--r-- | net/smc/af_smc.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 38a406447cd0..b40ae4d28cbf 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -752,14 +752,17 @@ static void smc_fback_error_report(struct sock *clcsk) static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code) { struct sock *clcsk; + int rc = 0; mutex_lock(&smc->clcsock_release_lock); if (!smc->clcsock) { - mutex_unlock(&smc->clcsock_release_lock); - return -EBADF; + rc = -EBADF; + goto out; } clcsk = smc->clcsock->sk; + if (smc->use_fallback) + goto out; smc->use_fallback = true; smc->fallback_rsn = reason_code; smc_stat_fallback(smc); @@ -787,8 +790,9 @@ static int smc_switch_to_fallback(struct smc_sock *smc, int reason_code) smc->clcsock->sk->sk_user_data = (void *)((uintptr_t)smc | SK_USER_DATA_NOCOPY); } +out: mutex_unlock(&smc->clcsock_release_lock); - return 0; + return rc; } /* fall back during connect */ |