vserver 1.9.3
[linux-2.6.git] / fs / cifs / inode.c
index a2965cf..84d09d9 100644 (file)
@@ -76,6 +76,9 @@ cifs_get_inode_info_unix(struct inode **pinode,
 
        } else {
                struct cifsInodeInfo *cifsInfo;
+               __u32 type = le32_to_cpu(findData.Type);
+               __u64 num_of_bytes = le64_to_cpu(findData.NumOfBytes);
+               __u64 end_of_file = le64_to_cpu(findData.EndOfFile);
 
                /* get new inode */
                if (*pinode == NULL) {
@@ -101,37 +104,34 @@ cifs_get_inode_info_unix(struct inode **pinode,
                inode->i_ctime =
                    cifs_NTtimeToUnix(le64_to_cpu(findData.LastStatusChange));
                inode->i_mode = le64_to_cpu(findData.Permissions);
-               findData.Type = le32_to_cpu(findData.Type);
-               if (findData.Type == UNIX_FILE) {
+               if (type == UNIX_FILE) {
                        inode->i_mode |= S_IFREG;
-               } else if (findData.Type == UNIX_SYMLINK) {
+               } else if (type == UNIX_SYMLINK) {
                        inode->i_mode |= S_IFLNK;
-               } else if (findData.Type == UNIX_DIR) {
+               } else if (type == UNIX_DIR) {
                        inode->i_mode |= S_IFDIR;
-               } else if (findData.Type == UNIX_CHARDEV) {
+               } else if (type == UNIX_CHARDEV) {
                        inode->i_mode |= S_IFCHR;
                        inode->i_rdev = MKDEV(le64_to_cpu(findData.DevMajor),
                                le64_to_cpu(findData.DevMinor) & MINORMASK);
-               } else if (findData.Type == UNIX_BLOCKDEV) {
+               } else if (type == UNIX_BLOCKDEV) {
                        inode->i_mode |= S_IFBLK;
                        inode->i_rdev = MKDEV(le64_to_cpu(findData.DevMajor),
                                le64_to_cpu(findData.DevMinor) & MINORMASK);
-               } else if (findData.Type == UNIX_FIFO) {
+               } else if (type == UNIX_FIFO) {
                        inode->i_mode |= S_IFIFO;
-               } else if (findData.Type == UNIX_SOCKET) {
+               } else if (type == UNIX_SOCKET) {
                        inode->i_mode |= S_IFSOCK;
                }
                inode->i_uid = le64_to_cpu(findData.Uid);
                inode->i_gid = le64_to_cpu(findData.Gid);
                inode->i_nlink = le64_to_cpu(findData.Nlinks);
-               findData.NumOfBytes = le64_to_cpu(findData.NumOfBytes);
-               findData.EndOfFile = le64_to_cpu(findData.EndOfFile);
 
                if(is_size_safe_to_change(cifsInfo)) {
                /* can not safely change the file size here if the 
                   client is writing to it due to potential races */
 
-                       i_size_write(inode,findData.EndOfFile);
+                       i_size_write(inode, end_of_file);
 /* blksize needs to be multiple of two. So safer to default to blksize
        and blkbits set in superblock so 2**blkbits and blksize will match */
 /*             inode->i_blksize =
@@ -143,14 +143,14 @@ cifs_get_inode_info_unix(struct inode **pinode,
                 
 
 /*             inode->i_blocks = 
-                       (inode->i_blksize - 1 + findData.NumOfBytes) >> inode->i_blkbits;*/
+                       (inode->i_blksize - 1 + num_of_bytes) >> inode->i_blkbits;*/
 
                /* 512 bytes (2**9) is the fake blocksize that must be used */
                /* for this calculation */
-                       inode->i_blocks = (512 - 1 + findData.NumOfBytes) >> 9;
+                       inode->i_blocks = (512 - 1 + num_of_bytes) >> 9;
                }
 
-               if (findData.NumOfBytes < findData.EndOfFile)
+               if (num_of_bytes < end_of_file)
                        cFYI(1, ("Server inconsistency Error: it says allocation size less than end of file "));
                cFYI(1,
                     ("Size %ld and blocks %ld ",
@@ -201,6 +201,8 @@ cifs_get_inode_info(struct inode **pinode, const unsigned char *search_path,
        /* if file info not passed in then get it from server */
        if(pfindData == NULL) {
                buf = kmalloc(sizeof(FILE_ALL_INFO),GFP_KERNEL);
+               if(buf == NULL)
+                       return -ENOMEM;
                pfindData = (FILE_ALL_INFO *)buf;
        /* could do find first instead but this returns more info */
                rc = CIFSSMBQPathInfo(xid, pTcon, search_path, pfindData,
@@ -235,6 +237,7 @@ cifs_get_inode_info(struct inode **pinode, const unsigned char *search_path,
                }
        } else {
                struct cifsInodeInfo *cifsInfo;
+               __u32 attr = le32_to_cpu(pfindData->Attributes);
 
                /* get new inode */
                if (*pinode == NULL) {
@@ -245,8 +248,7 @@ cifs_get_inode_info(struct inode **pinode, const unsigned char *search_path,
                }
                inode = *pinode;
                cifsInfo = CIFS_I(inode);
-               pfindData->Attributes = le32_to_cpu(pfindData->Attributes);
-               cifsInfo->cifsAttrs = pfindData->Attributes;
+               cifsInfo->cifsAttrs = attr;
                cFYI(1, (" Old time %ld ", cifsInfo->time));
                cifsInfo->time = jiffies;
                cFYI(1, (" New time %ld ", cifsInfo->time));
@@ -264,17 +266,17 @@ cifs_get_inode_info(struct inode **pinode, const unsigned char *search_path,
                inode->i_ctime =
                    cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime));
                cFYI(0,
-                    (" Attributes came in as 0x%x ", pfindData->Attributes));
+                    (" Attributes came in as 0x%x ", attr));
 
                /* set default mode. will override for dirs below */
                if(atomic_read(&cifsInfo->inUse) == 0)
                        /* new inode, can safely set these fields */
                        inode->i_mode = cifs_sb->mnt_file_mode;
 
-               if (pfindData->Attributes & ATTR_REPARSE) {
+               if (attr & ATTR_REPARSE) {
        /* Can IFLNK be set as it basically is on windows with IFREG or IFDIR? */
                        inode->i_mode |= S_IFLNK;
-               } else if (pfindData->Attributes & ATTR_DIRECTORY) {
+               } else if (attr & ATTR_DIRECTORY) {
        /* override default perms since we do not do byte range locking on dirs */
                        inode->i_mode = cifs_sb->mnt_dir_mode;
                        inode->i_mode |= S_IFDIR;
@@ -293,10 +295,9 @@ cifs_get_inode_info(struct inode **pinode, const unsigned char *search_path,
 
                /* 512 bytes (2**9) is the fake blocksize that must be used */
                /* for this calculation */
-                       inode->i_blocks = (512 - 1 + pfindData->AllocationSize)
+                       inode->i_blocks = (512 - 1 + le64_to_cpu(pfindData->AllocationSize))
                                 >> 9;
                }
-               pfindData->AllocationSize = le64_to_cpu(pfindData->AllocationSize);
 
                inode->i_nlink = le32_to_cpu(pfindData->NumberOfLinks);
 
@@ -949,7 +950,7 @@ cifs_setattr(struct dentry *direntry, struct iattr *attrs)
        } else
                time_buf.ChangeTime = 0;
 
-       if (set_time | time_buf.Attributes) {
+       if (set_time || time_buf.Attributes) {
                /* BB what if setting one attribute fails  
                        (such as size) but time setting works */
                time_buf.CreationTime = 0;      /* do not change */