From fe82a183ca3c9188945c4ebeebc2ca45abfa24e5 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Tue, 11 Sep 2007 18:01:10 -0400 Subject: [PATCH] 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 Signed-off-by: Trond Myklebust --- fs/nfs/nfs2xdr.c | 18 +++++++++--------- fs/nfs/nfs3xdr.c | 23 ++++++++++++----------- fs/nfs/nfs4xdr.c | 43 +++++++++++++++++++++---------------------- 3 files changed, 42 insertions(+), 42 deletions(-) diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index c5fce75..1c57094 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -271,7 +271,7 @@ nfs_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res) res->eof = 0; hdrlen = (u8 *) p - (u8 *) iov->iov_base; if (iov->iov_len < hdrlen) { - printk(KERN_WARNING "NFS: READ reply header overflowed:" + dprintk("NFS: READ reply header overflowed:" "length %d > %Zu\n", hdrlen, iov->iov_len); return -errno_NFSERR_IO; } else if (iov->iov_len != hdrlen) { @@ -281,7 +281,7 @@ nfs_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res) 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 %d > recvd %d\n", count, recvd); count = recvd; } @@ -431,7 +431,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy) hdrlen = (u8 *) p - (u8 *) iov->iov_base; if (iov->iov_len < hdrlen) { - printk(KERN_WARNING "NFS: READDIR reply header overflowed:" + dprintk("NFS: READDIR reply header overflowed:" "length %d > %Zu\n", hdrlen, iov->iov_len); return -errno_NFSERR_IO; } else if (iov->iov_len != hdrlen) { @@ -454,7 +454,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy) len = ntohl(*p++); p += XDR_QUADLEN(len) + 1; /* name plus cookie */ if (len > NFS2_MAXNAMLEN) { - printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)!\n", + dprintk("NFS: giant filename in readdir (len 0x%x)!\n", len); goto err_unmap; } @@ -471,7 +471,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, __be32 *p, void *dummy) 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; @@ -583,12 +583,12 @@ nfs_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, void *dummy) /* Convert length of symlink */ len = ntohl(*p++); 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 = (u8 *) p - (u8 *) iov->iov_base; if (iov->iov_len < hdrlen) { - printk(KERN_WARNING "NFS: READLINK reply header overflowed:" + dprintk("NFS: READLINK reply header overflowed:" "length %d > %Zu\n", hdrlen, iov->iov_len); return -errno_NFSERR_IO; } else if (iov->iov_len != hdrlen) { @@ -597,7 +597,7 @@ nfs_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, void *dummy) } 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; } @@ -695,7 +695,7 @@ nfs_stat_to_errno(int stat) if (nfs_errtbl[i].stat == stat) return nfs_errtbl[i].errno; } - printk(KERN_ERR "nfs_stat_to_errno: bad nfs status return value: %d\n", stat); + dprintk("nfs_stat_to_errno: bad nfs status return value: %d\n", stat); return nfs_errtbl[i].errno; } diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index d9e08f0..8a225fb 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -524,7 +524,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res hdrlen = (u8 *) p - (u8 *) iov->iov_base; if (iov->iov_len < hdrlen) { - printk(KERN_WARNING "NFS: READDIR reply header overflowed:" + dprintk("NFS: READDIR reply header overflowed:" "length %d > %Zu\n", hdrlen, iov->iov_len); return -errno_NFSERR_IO; } else if (iov->iov_len != hdrlen) { @@ -547,7 +547,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res len = ntohl(*p++); /* string length */ p += XDR_QUADLEN(len) + 2; /* name + cookie */ if (len > NFS3_MAXNAMLEN) { - printk(KERN_WARNING "NFS: giant filename in readdir (len %x)!\n", + dprintk("NFS: giant filename in readdir (len %x)!\n", len); goto err_unmap; } @@ -567,7 +567,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res goto short_pkt; len = ntohl(*p++); if (len > NFS3_FHSIZE) { - printk(KERN_WARNING "NFS: giant filehandle in " + dprintk("NFS: giant filehandle in " "readdir (len %x)!\n", len); goto err_unmap; } @@ -588,7 +588,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, __be32 *p, struct nfs3_readdirres *res 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; @@ -826,22 +826,23 @@ nfs3_xdr_readlinkres(struct rpc_rqst *req, __be32 *p, struct nfs_fattr *fattr) /* Convert length of symlink */ len = ntohl(*p++); 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 = (u8 *) p - (u8 *) iov->iov_base; if (iov->iov_len < hdrlen) { - printk(KERN_WARNING "NFS: READLINK reply header overflowed:" + dprintk("NFS: READLINK reply header overflowed:" "length %d > %Zu\n", hdrlen, iov->iov_len); return -errno_NFSERR_IO; } else if (iov->iov_len != hdrlen) { - dprintk("NFS: READLINK header is short. iovec will be shifted.\n"); + dprintk("NFS: READLINK header is short. " + "iovec will be shifted.\n"); xdr_shift_buf(rcvbuf, iov->iov_len - hdrlen); } 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; } @@ -876,13 +877,13 @@ nfs3_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res) ocount = ntohl(*p++); if (ocount != count) { - printk(KERN_WARNING "NFS: READ count doesn't match RPC opaque count.\n"); + dprintk("NFS: READ count doesn't match RPC opaque count.\n"); return -errno_NFSERR_IO; } hdrlen = (u8 *) p - (u8 *) iov->iov_base; if (iov->iov_len < hdrlen) { - printk(KERN_WARNING "NFS: READ reply header overflowed:" + dprintk("NFS: READ reply header overflowed:" "length %d > %Zu\n", hdrlen, iov->iov_len); return -errno_NFSERR_IO; } else if (iov->iov_len != hdrlen) { @@ -892,7 +893,7 @@ nfs3_xdr_readres(struct rpc_rqst *req, __be32 *p, struct nfs_readres *res) 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 %d > recvd %d\n", count, recvd); count = recvd; res->eof = 0; diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index badd73b..4dbbf44 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; } -- 2.7.4