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linux-sg2042
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Merge branch 'for-3.11' of git://linux-nfs.org/~bfields/linux 

Pull nfsd bugfixes from Bruce Fields:
 "Most of this is due to a screwup on my part -- some gss-proxy crashes
  got fixed before the merge window but somehow never made it out of a
  temporary git repo on my laptop...."

* 'for-3.11' of git://linux-nfs.org/~bfields/linux:
  svcrpc: set cr_gss_mech from gss-proxy as well as legacy upcall
  svcrpc: fix kfree oops in gss-proxy code
  svcrpc: fix gss-proxy xdr decoding oops
  svcrpc: fix gss_rpc_upcall create error
  NFSD/sunrpc: avoid deadlock on TCP connection due to memory pressure.
This commit is contained in:
Linus Torvalds 2013-08-03 11:15:03 -07:00
parent 32c6e2587f 7193bd17ea
commit 83aaf3b39c
4 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/sunrpc/auth_gss/gss_rpc_upcall.c
View File

@ -120,7 +120,7 @@ static int gssp_rpc_create(struct net *net, struct rpc_clnt **_clnt)
if (IS_ERR(clnt)) {
dprintk("RPC: failed to create AF_LOCAL gssproxy "
"client (errno %ld).\n", PTR_ERR(clnt));
result = -PTR_ERR(clnt);
result = PTR_ERR(clnt);
*_clnt = NULL;
goto out;
}
@ -328,7 +328,6 @@ void gssp_free_upcall_data(struct gssp_upcall_data *data)
kfree(data->in_handle.data);
kfree(data->out_handle.data);
kfree(data->out_token.data);
kfree(data->mech_oid.data);
free_svc_cred(&data->creds);
}

9
net/sunrpc/auth_gss/gss_rpc_xdr.c
View File

@ -430,7 +430,7 @@ static int dummy_enc_nameattr_array(struct xdr_stream *xdr,
static int dummy_dec_nameattr_array(struct xdr_stream *xdr,
struct gssx_name_attr_array *naa)
{
struct gssx_name_attr dummy;
struct gssx_name_attr dummy = { .attr = {.len = 0} };
u32 count, i;
__be32 *p;
@ -493,12 +493,13 @@ static int gssx_enc_name(struct xdr_stream *xdr,
return err;
}
static int gssx_dec_name(struct xdr_stream *xdr,
struct gssx_name *name)
{
struct xdr_netobj dummy_netobj;
struct gssx_name_attr_array dummy_name_attr_array;
struct gssx_option_array dummy_option_array;
struct xdr_netobj dummy_netobj = { .len = 0 };
struct gssx_name_attr_array dummy_name_attr_array = { .count = 0 };
struct gssx_option_array dummy_option_array = { .count = 0 };
int err;
/* name->display_name */

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

@ -1180,6 +1180,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
gm = gss_mech_get_by_OID(&ud->mech_oid);
if (!gm)
goto out;
rsci.cred.cr_gss_mech = gm;
status = -EINVAL;
/* mech-specific data: */
@ -1195,7 +1196,6 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
rscp = rsc_update(cd, &rsci, rscp);
status = 0;
out:
gss_mech_put(gm);
rsc_free(&rsci);
if (rscp)
cache_put(&rscp->h, cd);

4
net/sunrpc/svcsock.c
View File

@ -1193,7 +1193,9 @@ static int svc_tcp_has_wspace(struct svc_xprt *xprt)
if (test_bit(XPT_LISTENER, &xprt->xpt_flags))
return 1;
required = atomic_read(&xprt->xpt_reserved) + serv->sv_max_mesg;
if (sk_stream_wspace(svsk->sk_sk) >= required)
if (sk_stream_wspace(svsk->sk_sk) >= required ||
(sk_stream_min_wspace(svsk->sk_sk) == 0 &&
atomic_read(&xprt->xpt_reserved) == 0))
return 1;
set_bit(SOCK_NOSPACE, &svsk->sk_sock->flags);
return 0;