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Miscellaneous nfsd bugfixes, one for a 4.10 regression, three for older 

bugs.
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Merge tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux

Pull nfsd fixes from Bruce Fields:
 "Miscellaneous nfsd bugfixes, one for a 4.10 regression, three for
  older bugs"

* tag 'nfsd-4.10-1' of git://linux-nfs.org/~bfields/linux:
  svcrdma: avoid duplicate dma unmapping during error recovery
  sunrpc: don't call sleeping functions from the notifier block callbacks
  svcrpc: don't leak contexts on PROC_DESTROY
  nfsd: fix supported attributes for acl & labels
This commit is contained in:
Linus Torvalds 2017-01-16 09:34:37 -08:00
parent 49def18533 ce1ca7d2d1
commit 2eabb8b8d6
5 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/nfsd/nfs4xdr.c
View File

@ -2440,7 +2440,9 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp,
p++; /* to be backfilled later */
if (bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) {
u32 *supp = nfsd_suppattrs[minorversion];
u32 supp[3];
memcpy(supp, nfsd_suppattrs[minorversion], sizeof(supp));
if (!IS_POSIXACL(dentry->d_inode))
supp[0] &= ~FATTR4_WORD0_ACL;

1
include/linux/sunrpc/svc_xprt.h
View File

@ -66,6 +66,7 @@ struct svc_xprt {
#define XPT_LISTENER 10 /* listening endpoint */
#define XPT_CACHE_AUTH 11 /* cache auth info */
#define XPT_LOCAL 12 /* connection from loopback interface */
#define XPT_KILL_TEMP 13 /* call xpo_kill_temp_xprt before closing */
struct svc_serv *xpt_server; /* service for transport */
atomic_t xpt_reserved; /* space on outq that is rsvd */

2
net/sunrpc/auth_gss/svcauth_gss.c
View File

@ -1489,7 +1489,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp)
case RPC_GSS_PROC_DESTROY:
if (gss_write_verf(rqstp, rsci->mechctx, gc->gc_seq))
goto auth_err;
rsci->h.expiry_time = get_seconds();
rsci->h.expiry_time = seconds_since_boot();
set_bit(CACHE_NEGATIVE, &rsci->h.flags);
if (resv->iov_len + 4 > PAGE_SIZE)
goto drop;

10
net/sunrpc/svc_xprt.c
View File

@ -799,6 +799,8 @@ static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt)
if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
dprintk("svc_recv: found XPT_CLOSE\n");
if (test_and_clear_bit(XPT_KILL_TEMP, &xprt->xpt_flags))
xprt->xpt_ops->xpo_kill_temp_xprt(xprt);
svc_delete_xprt(xprt);
/* Leave XPT_BUSY set on the dead xprt: */
goto out;
@ -1020,9 +1022,11 @@ void svc_age_temp_xprts_now(struct svc_serv *serv, struct sockaddr *server_addr)
le = to_be_closed.next;
list_del_init(le);
xprt = list_entry(le, struct svc_xprt, xpt_list);
dprintk("svc_age_temp_xprts_now: closing %p\n", xprt);
xprt->xpt_ops->xpo_kill_temp_xprt(xprt);
svc_close_xprt(xprt);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
set_bit(XPT_KILL_TEMP, &xprt->xpt_flags);
dprintk("svc_age_temp_xprts_now: queuing xprt %p for closing\n",
xprt);
svc_xprt_enqueue(xprt);
}
}
EXPORT_SYMBOL_GPL(svc_age_temp_xprts_now);

2
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
View File

@ -347,8 +347,6 @@ int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt,
atomic_inc(&rdma_stat_read);
return ret;
err:
ib_dma_unmap_sg(xprt->sc_cm_id->device,
frmr->sg, frmr->sg_nents, frmr->direction);
svc_rdma_put_context(ctxt, 0);
svc_rdma_put_frmr(xprt, frmr);
return ret;