SUNRPC: Use GFP_NOFS when allocating credentials

Since the credentials may be allocated during the call to rpc_new_task(),
which again may be called by a memory allocator...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

5 files changed, 11 insertions, 11 deletions

diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index cc12d5f5d5da..bf7585b80543 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -146,7 +146,7 @@ simple_get_netobj(const void *p, const void *end, struct xdr_netobj *dest)
         q = (const void *)((const char *)p + len);
         if (unlikely(q > end || q < p))
                 return ERR_PTR(-EFAULT);
-        dest->data = kmemdup(p, len, GFP_KERNEL);
+        dest->data = kmemdup(p, len, GFP_NOFS);
         if (unlikely(dest->data == NULL))
                 return ERR_PTR(-ENOMEM);
         dest->len = len;
@@ -171,7 +171,7 @@ gss_alloc_context(void)
 {
         struct gss_cl_ctx *ctx;
 
-        ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+        ctx = kzalloc(sizeof(*ctx), GFP_NOFS);
         if (ctx != NULL) {
                 ctx->gc_proc = RPC_GSS_PROC_DATA;
                 ctx->gc_seq = 1;        /* NetApp 6.4R1 doesn't accept seq. no. 0 */
@@ -341,7 +341,7 @@ gss_alloc_msg(struct gss_auth *gss_auth, uid_t uid)
 {
         struct gss_upcall_msg *gss_msg;
 
-        gss_msg = kzalloc(sizeof(*gss_msg), GFP_KERNEL);
+        gss_msg = kzalloc(sizeof(*gss_msg), GFP_NOFS);
         if (gss_msg != NULL) {
                 INIT_LIST_HEAD(&gss_msg->list);
                 rpc_init_wait_queue(&gss_msg->rpc_waitqueue, "RPCSEC_GSS upcall waitq");
@@ -503,7 +503,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
         if (mlen > MSG_BUF_MAXSIZE)
                 goto out;
         err = -ENOMEM;
-        buf = kmalloc(mlen, GFP_KERNEL);
+        buf = kmalloc(mlen, GFP_NOFS);
         if (!buf)
                 goto out;
 
@@ -806,7 +806,7 @@ gss_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
         dprintk("RPC:       gss_create_cred for uid %d, flavor %d\n",
                 acred->uid, auth->au_flavor);
 
-        if (!(cred = kzalloc(sizeof(*cred), GFP_KERNEL)))
+        if (!(cred = kzalloc(sizeof(*cred), GFP_NOFS)))
                 goto out_err;
 
         rpcauth_init_cred(&cred->gc_base, acred, auth, &gss_credops);
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 60c3dba545d7..ef45eba22485 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -70,7 +70,7 @@ simple_get_netobj(const void *p, const void *end, struct xdr_netobj *res)
         q = (const void *)((const char *)p + len);
         if (unlikely(q > end || q < p))
                 return ERR_PTR(-EFAULT);
-        res->data = kmemdup(p, len, GFP_KERNEL);
+        res->data = kmemdup(p, len, GFP_NOFS);
         if (unlikely(res->data == NULL))
                 return ERR_PTR(-ENOMEM);
         res->len = len;
@@ -131,7 +131,7 @@ gss_import_sec_context_kerberos(const void *p,
         struct  krb5_ctx *ctx;
         int tmp;
 
-        if (!(ctx = kzalloc(sizeof(*ctx), GFP_KERNEL)))
+        if (!(ctx = kzalloc(sizeof(*ctx), GFP_NOFS)))
                 goto out_err;
 
         p = simple_get_bytes(p, end, &ctx->initiate, sizeof(ctx->initiate));
diff --git a/net/sunrpc/auth_gss/gss_spkm3_mech.c b/net/sunrpc/auth_gss/gss_spkm3_mech.c
index 5deb4b6e4514..035e1dd6af1b 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_mech.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_mech.c
@@ -76,7 +76,7 @@ simple_get_netobj(const void *p, const void *end, struct xdr_netobj *res)
         q = (const void *)((const char *)p + len);
         if (unlikely(q > end || q < p))
                 return ERR_PTR(-EFAULT);
-        res->data = kmemdup(p, len, GFP_KERNEL);
+        res->data = kmemdup(p, len, GFP_NOFS);
         if (unlikely(res->data == NULL))
                 return ERR_PTR(-ENOMEM);
         return q;
@@ -90,7 +90,7 @@ gss_import_sec_context_spkm3(const void *p, size_t len,
         struct  spkm3_ctx *ctx;
         int     version;
 
-        if (!(ctx = kzalloc(sizeof(*ctx), GFP_KERNEL)))
+        if (!(ctx = kzalloc(sizeof(*ctx), GFP_NOFS)))
                 goto out_err;
 
         p = simple_get_bytes(p, end, &version, sizeof(version));
diff --git a/net/sunrpc/auth_gss/gss_spkm3_token.c b/net/sunrpc/auth_gss/gss_spkm3_token.c
index 6cdd241ad267..3308157436d2 100644
--- a/net/sunrpc/auth_gss/gss_spkm3_token.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_token.c
@@ -90,7 +90,7 @@ asn1_bitstring_len(struct xdr_netobj *in, int *enclen, int *zerobits)
 int
 decode_asn1_bitstring(struct xdr_netobj *out, char *in, int enclen, int explen)
 {
-        if (!(out->data = kzalloc(explen,GFP_KERNEL)))
+        if (!(out->data = kzalloc(explen,GFP_NOFS)))
                 return 0;
         out->len = explen;
         memcpy(out->data, in, enclen);
diff --git a/net/sunrpc/auth_unix.c b/net/sunrpc/auth_unix.c
index 44920b90bdc4..46b2647c5bd2 100644
--- a/net/sunrpc/auth_unix.c
+++ b/net/sunrpc/auth_unix.c
@@ -66,7 +66,7 @@ unx_create_cred(struct rpc_auth *auth, struct auth_cred *acred, int flags)
         dprintk("RPC:       allocating UNIX cred for uid %d gid %d\n",
                         acred->uid, acred->gid);
 
-        if (!(cred = kmalloc(sizeof(*cred), GFP_KERNEL)))
+        if (!(cred = kmalloc(sizeof(*cred), GFP_NOFS)))
                 return ERR_PTR(-ENOMEM);
 
         rpcauth_init_cred(&cred->uc_base, acred, auth, &unix_credops);