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| author |   David S. Miller <davem@davemloft.net> | 2018-05-04 09:58:56 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-04 09:58:56 -0400 |
| commit | a7b15ab887e5b8e9803136b5a4a0008d7a3dea86 (patch) | |
| tree | ca5342d29badb2a3cce2a353b786c8ab4a993c1e /net/smc/smc_core.c | |
| parent | Merge branch 'sh_eth-complain-on-access-to-unimplemented-TSU-registers' (diff) | |
| parent | Merge tag 'linux-kselftest-4.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest (diff) | |
| download | linux-dev-a7b15ab887e5b8e9803136b5a4a0008d7a3dea86.tar.xz linux-dev-a7b15ab887e5b8e9803136b5a4a0008d7a3dea86.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Overlapping changes in selftests Makefile.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_core.c')
| -rw-r--r-- | net/smc/smc_core.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 1f3ea62fac5c..79aa7d312d6b 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -32,6 +32,9 @@ static u32 smc_lgr_num; /* unique link group number */ +static void smc_buf_free(struct smc_buf_desc *buf_desc, struct smc_link *lnk, + bool is_rmb); + static void smc_lgr_schedule_free_work(struct smc_link_group *lgr) { /* client link group creation always follows the server link group @@ -234,9 +237,22 @@ static void smc_buf_unuse(struct smc_connection *conn) conn->sndbuf_size = 0; } if (conn->rmb_desc) { - conn->rmb_desc->reused = true; - conn->rmb_desc->used = 0; - conn->rmbe_size = 0; + if (!conn->rmb_desc->regerr) { + conn->rmb_desc->reused = 1; + conn->rmb_desc->used = 0; + conn->rmbe_size = 0; + } else { + /* buf registration failed, reuse not possible */ + struct smc_link_group *lgr = conn->lgr; + struct smc_link *lnk; + + write_lock_bh(&lgr->rmbs_lock); + list_del(&conn->rmb_desc->list); + write_unlock_bh(&lgr->rmbs_lock); + + lnk = &lgr->lnk[SMC_SINGLE_LINK]; + smc_buf_free(conn->rmb_desc, lnk, true); + } } } |