patch-2.4.8 linux/fs/ntfs/inode.c
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- Lines: 27
- Date:
Mon Jul 23 16:23:58 2001
- Orig file:
v2.4.7/linux/fs/ntfs/inode.c
- Orig date:
Wed Jul 25 17:10:24 2001
diff -u --recursive --new-file v2.4.7/linux/fs/ntfs/inode.c linux/fs/ntfs/inode.c
@@ -95,6 +95,8 @@
ntfs_io io;
mdata = ntfs_find_attr(vol->mft_ino, vol->at_data, 0);
+ if (!mdata)
+ return -EINVAL;
/* First check whether there is uninitialized space. */
if (mdata->allocated < mdata->size + vol->mft_record_size) {
size = (__s64)ntfs_get_free_cluster_count(vol->bitmap) <<
@@ -127,6 +129,8 @@
/* Now extend the bitmap if necessary. */
rcount = mdata->size >> vol->mft_record_size_bits;
bmp = ntfs_find_attr(vol->mft_ino, vol->at_bitmap, 0);
+ if (!bmp)
+ return -EINVAL;
if (bmp->size * 8 < rcount) { /* Less bits than MFT records. */
ntfs_u8 buf[1];
/* Extend bitmap by one byte. */
@@ -1305,6 +1309,8 @@
*result = 0;
/* Determine the number of mft records in the mft. */
data = ntfs_find_attr(vol->mft_ino, vol->at_data, 0);
+ if (!data)
+ return -EINVAL;
length = data->size >> vol->mft_record_size_bits;
/* Allocate sufficient space for the mft bitmap attribute value,
inferring it from the number of mft records. */
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