diff options
Diffstat (limited to 'fs/cifs/file.c')
| -rw-r--r-- | fs/cifs/file.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 5857d12611e6..8ae962e7c93f 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -256,6 +256,13 @@ int cifs_open(struct inode *inode, struct file *file) CREATE_NOT_DIR, &netfid, &oplock, buf, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + if (rc == -EIO) { + /* Old server, try legacy style OpenX */ + rc = SMBLegacyOpen(xid, pTcon, full_path, disposition, + desiredAccess, CREATE_NOT_DIR, &netfid, &oplock, buf, + cifs_sb->local_nls, cifs_sb->mnt_cifs_flags + & CIFS_MOUNT_MAP_SPECIAL_CHR); + } if (rc) { cFYI(1, ("cifs_open returned 0x%x ", rc)); goto out; @@ -1210,7 +1217,12 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data, open_file->netfid, current_read_size, *poffset, &bytes_read, &smb_read_data); - + if(rc == -EINVAL) { + rc = SMBLegacyRead(xid, pTcon, + open_file->netfid, + current_read_size, *poffset, + &bytes_read, &smb_read_data); + } pSMBr = (struct smb_com_read_rsp *)smb_read_data; if (copy_to_user(current_offset, smb_read_data + 4 /* RFC1001 hdr */ @@ -1287,6 +1299,12 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size, open_file->netfid, current_read_size, *poffset, &bytes_read, ¤t_offset); + if(rc == -EINVAL) { + rc = SMBLegacyRead(xid, pTcon, + open_file->netfid, + current_read_size, *poffset, + &bytes_read, ¤t_offset); + } } if (rc || (bytes_read == 0)) { if (total_read) { @@ -1443,7 +1461,14 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, open_file->netfid, read_size, offset, &bytes_read, &smb_read_data); - /* BB need to check return code here */ + if (rc == -EINVAL) { + rc = SMBLegacyRead(xid, pTcon, + open_file->netfid, + read_size, offset, + &bytes_read, &smb_read_data); + } + + /* BB more RC checks ? */ if (rc== -EAGAIN) { if (smb_read_data) { cifs_buf_release(smb_read_data); |