diff options
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/cifs_fs_sb.h | 4 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.c | 10 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.h | 6 | ||||
| -rw-r--r-- | fs/cifs/cifsglob.h | 4 | ||||
| -rw-r--r-- | fs/cifs/connect.c | 8 | ||||
| -rw-r--r-- | fs/cifs/dir.c | 4 | ||||
| -rw-r--r-- | fs/cifs/file.c | 26 | ||||
| -rw-r--r-- | fs/cifs/inode.c | 4 | ||||
| -rw-r--r-- | fs/cifs/readdir.c | 10 | ||||
| -rw-r--r-- | fs/cifs/smbencrypt.c | 6 |
10 files changed, 58 insertions, 24 deletions
diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h index 500d6585927..c865bfdfe81 100644 --- a/fs/cifs/cifs_fs_sb.h +++ b/fs/cifs/cifs_fs_sb.h @@ -59,8 +59,8 @@ struct cifs_sb_info { gid_t mnt_gid; uid_t mnt_backupuid; gid_t mnt_backupgid; - mode_t mnt_file_mode; - mode_t mnt_dir_mode; + umode_t mnt_file_mode; + umode_t mnt_dir_mode; unsigned int mnt_cifs_flags; char *mountdata; /* options received at mount time or via DFS refs */ struct backing_dev_info bdi; diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8f1fe324162..b1fd382d195 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -343,9 +343,9 @@ cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server) * ones are. */ static int -cifs_show_options(struct seq_file *s, struct vfsmount *m) +cifs_show_options(struct seq_file *s, struct dentry *root) { - struct cifs_sb_info *cifs_sb = CIFS_SB(m->mnt_sb); + struct cifs_sb_info *cifs_sb = CIFS_SB(root->d_sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); struct sockaddr *srcaddr; srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr; @@ -393,7 +393,7 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m) cifs_show_address(s, tcon->ses->server); if (!tcon->unix_ext) - seq_printf(s, ",file_mode=0%o,dir_mode=0%o", + seq_printf(s, ",file_mode=0%ho,dir_mode=0%ho", cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode); if (tcon->seal) @@ -430,7 +430,7 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m) seq_printf(s, ",cifsacl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) seq_printf(s, ",dynperm"); - if (m->mnt_sb->s_flags & MS_POSIXACL) + if (root->d_sb->s_flags & MS_POSIXACL) seq_printf(s, ",acl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) seq_printf(s, ",mfsymlinks"); @@ -488,7 +488,7 @@ static void cifs_umount_begin(struct super_block *sb) } #ifdef CONFIG_CIFS_STATS2 -static int cifs_show_stats(struct seq_file *s, struct vfsmount *mnt) +static int cifs_show_stats(struct seq_file *s, struct dentry *root) { /* BB FIXME */ return 0; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 30ff56005d8..fe5ecf1b422 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -44,14 +44,14 @@ extern const struct address_space_operations cifs_addr_ops_smallbuf; /* Functions related to inodes */ extern const struct inode_operations cifs_dir_inode_ops; extern struct inode *cifs_root_iget(struct super_block *); -extern int cifs_create(struct inode *, struct dentry *, int, +extern int cifs_create(struct inode *, struct dentry *, umode_t, struct nameidata *); extern struct dentry *cifs_lookup(struct inode *, struct dentry *, struct nameidata *); extern int cifs_unlink(struct inode *dir, struct dentry *dentry); extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); -extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t); -extern int cifs_mkdir(struct inode *, struct dentry *, int); +extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t); +extern int cifs_mkdir(struct inode *, struct dentry *, umode_t); extern int cifs_rmdir(struct inode *, struct dentry *); extern int cifs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 8238aa13e01..ba53c1c6c6c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -169,8 +169,8 @@ struct smb_vol { gid_t linux_gid; uid_t backupuid; gid_t backupgid; - mode_t file_mode; - mode_t dir_mode; + umode_t file_mode; + umode_t dir_mode; unsigned secFlg; bool retry:1; bool intr:1; diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index d6a972df033..4666780f315 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -282,7 +282,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB) byte_count = be32_to_cpu(pTargetSMB->smb_buf_length); byte_count += total_in_buf2; /* don't allow buffer to overflow */ - if (byte_count > CIFSMaxBufSize) + if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) return -ENOBUFS; pTargetSMB->smb_buf_length = cpu_to_be32(byte_count); @@ -441,6 +441,8 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct kvec *iov_orig, smb_msg.msg_controllen = 0; for (total_read = 0; to_read; total_read += length, to_read -= length) { + try_to_freeze(); + if (server_unresponsive(server)) { total_read = -EAGAIN; break; @@ -2120,7 +2122,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info) warned_on_ntlm = true; cERROR(1, "default security mechanism requested. The default " "security mechanism will be upgraded from ntlm to " - "ntlmv2 in kernel release 3.2"); + "ntlmv2 in kernel release 3.3"); } ses->overrideSecFlg = volume_info->secFlg; @@ -2817,7 +2819,7 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, cifs_sb->mnt_backupgid = pvolume_info->backupgid; cifs_sb->mnt_file_mode = pvolume_info->file_mode; cifs_sb->mnt_dir_mode = pvolume_info->dir_mode; - cFYI(1, "file mode: 0x%x dir mode: 0x%x", + cFYI(1, "file mode: 0x%hx dir mode: 0x%hx", cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode); cifs_sb->actimeo = pvolume_info->actimeo; diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index d7eeb9d3ed6..df8fecb5b99 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -136,7 +136,7 @@ cifs_bp_rename_retry: /* Inode operations in similar order to how they appear in Linux file fs.h */ int -cifs_create(struct inode *inode, struct dentry *direntry, int mode, +cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, struct nameidata *nd) { int rc = -ENOENT; @@ -355,7 +355,7 @@ cifs_create_out: return rc; } -int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, +int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, dev_t device_number) { int rc = -EPERM; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index cf0b1539b32..4dd9283885e 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -702,6 +702,13 @@ cifs_find_lock_conflict(struct cifsInodeInfo *cinode, struct cifsLockInfo *lock, lock->type, lock->netfid, conf_lock); } +/* + * Check if there is another lock that prevents us to set the lock (mandatory + * style). If such a lock exists, update the flock structure with its + * properties. Otherwise, set the flock type to F_UNLCK if we can cache brlocks + * or leave it the same if we can't. Returns 0 if we don't need to request to + * the server or 1 otherwise. + */ static int cifs_lock_test(struct cifsInodeInfo *cinode, __u64 offset, __u64 length, __u8 type, __u16 netfid, struct file_lock *flock) @@ -739,6 +746,12 @@ cifs_lock_add(struct cifsInodeInfo *cinode, struct cifsLockInfo *lock) mutex_unlock(&cinode->lock_mutex); } +/* + * Set the byte-range lock (mandatory style). Returns: + * 1) 0, if we set the lock and don't need to request to the server; + * 2) 1, if no locks prevent us but we need to request to the server; + * 3) -EACCESS, if there is a lock that prevents us and wait is false. + */ static int cifs_lock_add_if(struct cifsInodeInfo *cinode, struct cifsLockInfo *lock, bool wait) @@ -778,6 +791,13 @@ try_again: return rc; } +/* + * Check if there is another lock that prevents us to set the lock (posix + * style). If such a lock exists, update the flock structure with its + * properties. Otherwise, set the flock type to F_UNLCK if we can cache brlocks + * or leave it the same if we can't. Returns 0 if we don't need to request to + * the server or 1 otherwise. + */ static int cifs_posix_lock_test(struct file *file, struct file_lock *flock) { @@ -800,6 +820,12 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock) return rc; } +/* + * Set the byte-range lock (posix style). Returns: + * 1) 0, if we set the lock and don't need to request to the server; + * 2) 1, if we need to request to the server; + * 3) <0, if the error occurs while setting the lock. + */ static int cifs_posix_lock_set(struct file *file, struct file_lock *flock) { diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index e851d5b8931..a5f54b7d982 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1264,7 +1264,7 @@ unlink_out: return rc; } -int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) +int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) { int rc = 0, tmprc; int xid; @@ -1275,7 +1275,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) struct inode *newinode = NULL; struct cifs_fattr fattr; - cFYI(1, "In cifs_mkdir, mode = 0x%x inode = 0x%p", mode, inode); + cFYI(1, "In cifs_mkdir, mode = 0x%hx inode = 0x%p", mode, inode); cifs_sb = CIFS_SB(inode->i_sb); tlink = cifs_sb_tlink(cifs_sb); diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 5de03ec2014..a090bbe6ee2 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -554,7 +554,10 @@ static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon, rc); return rc; } - cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile); + /* FindFirst/Next set last_entry to NULL on malformed reply */ + if (cifsFile->srch_inf.last_entry) + cifs_save_resume_key(cifsFile->srch_inf.last_entry, + cifsFile); } while ((index_to_find >= cifsFile->srch_inf.index_of_last_entry) && @@ -562,7 +565,10 @@ static int find_cifs_entry(const int xid, struct cifs_tcon *pTcon, cFYI(1, "calling findnext2"); rc = CIFSFindNext(xid, pTcon, cifsFile->netfid, &cifsFile->srch_inf); - cifs_save_resume_key(cifsFile->srch_inf.last_entry, cifsFile); + /* FindFirst/Next set last_entry to NULL on malformed reply */ + if (cifsFile->srch_inf.last_entry) + cifs_save_resume_key(cifsFile->srch_inf.last_entry, + cifsFile); if (rc) return -ENOENT; } diff --git a/fs/cifs/smbencrypt.c b/fs/cifs/smbencrypt.c index 7cacba12b8f..80d85088193 100644 --- a/fs/cifs/smbencrypt.c +++ b/fs/cifs/smbencrypt.c @@ -209,7 +209,7 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16, { int rc; int len; - __u16 wpwd[129]; + __le16 wpwd[129]; /* Password cannot be longer than 128 characters */ if (passwd) /* Password must be converted to NT unicode */ @@ -219,8 +219,8 @@ E_md4hash(const unsigned char *passwd, unsigned char *p16, *wpwd = 0; /* Ensure string is null terminated */ } - rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__u16)); - memset(wpwd, 0, 129 * sizeof(__u16)); + rc = mdfour(p16, (unsigned char *) wpwd, len * sizeof(__le16)); + memset(wpwd, 0, 129 * sizeof(__le16)); return rc; } |