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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-22 19:21:02 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-22 19:21:02 +0300 |
| commit | cf1d2c3e7e2f3754fe3d6dc747f7a092b168d9cf (patch) | |
| tree | 7b645c020c195a1597f1836d16c0dd96225a9c83 /fs/nfsd | |
| parent | bee42512c4a0e6253d6b196445f9091438b264b5 (diff) | |
| parent | 02579b2ff8b0becfb51d85a975908ac4ab15fba8 (diff) | |
| download | linux-cf1d2c3e7e2f3754fe3d6dc747f7a092b168d9cf.tar.xz | |
Merge tag 'nfsd-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
"Critical bug fixes:
- Fix crash in NLM TEST procedure
- NFSv4.1+ backchannel not restored after PATH_DOWN"
* tag 'nfsd-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: back channel stuck in SEQ4_STATUS_CB_PATH_DOWN
NLM: Fix svcxdr_encode_owner()
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4state.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 42356416f0a0..3f4027a5de88 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -3570,7 +3570,7 @@ static struct nfsd4_conn *__nfsd4_find_conn(struct svc_xprt *xpt, struct nfsd4_s } static __be32 nfsd4_match_existing_connection(struct svc_rqst *rqst, - struct nfsd4_session *session, u32 req) + struct nfsd4_session *session, u32 req, struct nfsd4_conn **conn) { struct nfs4_client *clp = session->se_client; struct svc_xprt *xpt = rqst->rq_xprt; @@ -3593,6 +3593,8 @@ static __be32 nfsd4_match_existing_connection(struct svc_rqst *rqst, else status = nfserr_inval; spin_unlock(&clp->cl_lock); + if (status == nfs_ok && conn) + *conn = c; return status; } @@ -3617,8 +3619,16 @@ __be32 nfsd4_bind_conn_to_session(struct svc_rqst *rqstp, status = nfserr_wrong_cred; if (!nfsd4_mach_creds_match(session->se_client, rqstp)) goto out; - status = nfsd4_match_existing_connection(rqstp, session, bcts->dir); - if (status == nfs_ok || status == nfserr_inval) + status = nfsd4_match_existing_connection(rqstp, session, + bcts->dir, &conn); + if (status == nfs_ok) { + if (bcts->dir == NFS4_CDFC4_FORE_OR_BOTH || + bcts->dir == NFS4_CDFC4_BACK) + conn->cn_flags |= NFS4_CDFC4_BACK; + nfsd4_probe_callback(session->se_client); + goto out; + } + if (status == nfserr_inval) goto out; status = nfsd4_map_bcts_dir(&bcts->dir); if (status) |