NFS: Convert printk's to dprintk's in fs/nfs/nfs?xdr.c

Due to recent edict to replace or remove printk's that can be triggered en
masse by remote misbehavior.  Left a few that only occur just before a BUG.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 21 insertions, 22 deletions

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index badd73b7ca12..4dbbf44727ea 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -562,7 +562,6 @@ struct compound_hdr {
 
 #define RESERVE_SPACE(nbytes)   do {                            \
         p = xdr_reserve_space(xdr, nbytes);                     \
-        if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
         BUG_ON(!p);                                             \
 } while (0)
 
@@ -628,8 +627,8 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
         if (iap->ia_valid & ATTR_UID) {
                 owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name);
                 if (owner_namelen < 0) {
-                        printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n",
-                               iap->ia_uid);
+                        dprintk("nfs: couldn't resolve uid %d to string\n",
+                                        iap->ia_uid);
                         /* XXX */
                         strcpy(owner_name, "nobody");
                         owner_namelen = sizeof("nobody") - 1;
@@ -640,8 +639,8 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
         if (iap->ia_valid & ATTR_GID) {
                 owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group);
                 if (owner_grouplen < 0) {
-                        printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n",
-                               iap->ia_gid);
+                        dprintk("nfs: couldn't resolve gid %d to string\n",
+                                        iap->ia_gid);
                         strcpy(owner_group, "nobody");
                         owner_grouplen = sizeof("nobody") - 1;
                         /* goto out; */
@@ -711,7 +710,7 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
          * Now we backfill the bitmap and the attribute buffer length.
          */
         if (len != ((char *)p - (char *)q) + 4) {
-                printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
+                printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n",
                                 len, ((char *)p - (char *)q) + 4);
                 BUG();
         }
@@ -2180,9 +2179,9 @@ out:
 #define READ_BUF(nbytes)  do { \
         p = xdr_inline_decode(xdr, nbytes); \
         if (unlikely(!p)) { \
-                printk(KERN_INFO "%s: prematurely hit end of receive" \
+                dprintk("nfs: %s: prematurely hit end of receive" \
                                 " buffer\n", __FUNCTION__); \
-                printk(KERN_INFO "%s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \
+                dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \
                                 __FUNCTION__, xdr->p, nbytes, xdr->end); \
                 return -EIO; \
         } \
@@ -2223,9 +2222,8 @@ static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
         READ_BUF(8);
         READ32(opnum);
         if (opnum != expected) {
-                printk(KERN_NOTICE
-                                "nfs4_decode_op_hdr: Server returned operation"
-                                " %d but we issued a request for %d\n",
+                dprintk("nfs: Server returned operation"
+                        " %d but we issued a request for %d\n",
                                 opnum, expected);
                 return -EIO;
         }
@@ -2758,7 +2756,7 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
                                 dprintk("%s: nfs_map_name_to_uid failed!\n",
                                                 __FUNCTION__);
                 } else
-                        printk(KERN_WARNING "%s: name too long (%u)!\n",
+                        dprintk("%s: name too long (%u)!\n",
                                         __FUNCTION__, len);
                 bitmap[1] &= ~FATTR4_WORD1_OWNER;
         }
@@ -2783,7 +2781,7 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
                                 dprintk("%s: nfs_map_group_to_gid failed!\n",
                                                 __FUNCTION__);
                 } else
-                        printk(KERN_WARNING "%s: name too long (%u)!\n",
+                        dprintk("%s: name too long (%u)!\n",
                                         __FUNCTION__, len);
                 bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
         }
@@ -2950,7 +2948,8 @@ static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrl
         unsigned int nwords = xdr->p - savep;
 
         if (unlikely(attrwords != nwords)) {
-                printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
+                dprintk("%s: server returned incorrect attribute length: "
+                        "%u %c %u\n",
                                 __FUNCTION__,
                                 attrwords << 2,
                                 (attrwords < nwords) ? '<' : '>',
@@ -3451,7 +3450,7 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_
         hdrlen = (u8 *) p - (u8 *) iov->iov_base;
         recvd = req->rq_rcv_buf.len - hdrlen;
         if (count > recvd) {
-                printk(KERN_WARNING "NFS: server cheating in read reply: "
+                dprintk("NFS: server cheating in read reply: "
                                 "count %u > recvd %u\n", count, recvd);
                 count = recvd;
                 eof = 0;
@@ -3500,7 +3499,8 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
                 p += 2;                 /* cookie */
                 len = ntohl(*p++);      /* filename length */
                 if (len > NFS4_MAXNAMLEN) {
-                        printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
+                        dprintk("NFS: giant filename in readdir (len 0x%x)\n",
+                                        len);
                         goto err_unmap;
                 }
                 xlen = XDR_QUADLEN(len);
@@ -3528,7 +3528,7 @@ short_pkt:
         entry[0] = entry[1] = 0;
         /* truncate listing ? */
         if (!nr) {
-                printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
+                dprintk("NFS: readdir reply truncated!\n");
                 entry[1] = 1;
         }
         goto out;
@@ -3554,13 +3554,13 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
         READ_BUF(4);
         READ32(len);
         if (len >= rcvbuf->page_len || len <= 0) {
-                dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
+                dprintk("nfs: server returned giant symlink!\n");
                 return -ENAMETOOLONG;
         }
         hdrlen = (char *) xdr->p - (char *) iov->iov_base;
         recvd = req->rq_rcv_buf.len - hdrlen;
         if (recvd < len) {
-                printk(KERN_WARNING "NFS: server cheating in readlink reply: "
+                dprintk("NFS: server cheating in readlink reply: "
                                 "count %u > recvd %u\n", len, recvd);
                 return -EIO;
         }
@@ -3643,7 +3643,7 @@ static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
                 hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base;
                 recvd = req->rq_rcv_buf.len - hdrlen;
                 if (attrlen > recvd) {
-                        printk(KERN_WARNING "NFS: server cheating in getattr"
+                        dprintk("NFS: server cheating in getattr"
                                         " acl reply: attrlen %u > recvd %u\n",
                                         attrlen, recvd);
                         return -EINVAL;
@@ -3688,8 +3688,7 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
         READ_BUF(8);
         READ32(opnum);
         if (opnum != OP_SETCLIENTID) {
-                printk(KERN_NOTICE
-                                "nfs4_decode_setclientid: Server returned operation"
+                dprintk("nfs: decode_setclientid: Server returned operation"
                                 " %d\n", opnum);
                 return -EIO;
         }