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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6

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* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6:
  udf: remove redundant tests on unsigned
  udf: Use device size when drive reported bogus number of written blocks
This commit is contained in:
Linus Torvalds 2009-06-24 09:57:10 -07:00
commit d7ed9c05eb
2 changed files with 10 additions and 6 deletions
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9
fs/udf/balloc.c
View File

@ -238,7 +238,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex); mutex_lock(&sbi->s_alloc_mutex);
part_len = sbi->s_partmaps[partition].s_partition_len; part_len = sbi->s_partmaps[partition].s_partition_len;
if (first_block < 0 || first_block >= part_len) if (first_block >= part_len)
goto out; goto out;
if (first_block + block_count > part_len) if (first_block + block_count > part_len)
@ -297,7 +297,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex); mutex_lock(&sbi->s_alloc_mutex);
repeat: repeat:
if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len) if (goal >= sbi->s_partmaps[partition].s_partition_len)
goal = 0; goal = 0;
nr_groups = bitmap->s_nr_groups; nr_groups = bitmap->s_nr_groups;
@ -666,8 +666,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
int8_t etype = -1; int8_t etype = -1;
struct udf_inode_info *iinfo; struct udf_inode_info *iinfo;
if (first_block < 0 || if (first_block >= sbi->s_partmaps[partition].s_partition_len)
first_block >= sbi->s_partmaps[partition].s_partition_len)
return 0; return 0;
iinfo = UDF_I(table); iinfo = UDF_I(table);
@ -743,7 +742,7 @@ static int udf_table_new_block(struct super_block *sb,
return newblock; return newblock;
mutex_lock(&sbi->s_alloc_mutex); mutex_lock(&sbi->s_alloc_mutex);
if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len) if (goal >= sbi->s_partmaps[partition].s_partition_len)
goal = 0; goal = 0;
/* We search for the closest matching block to goal. If we find /* We search for the closest matching block to goal. If we find

7
fs/udf/lowlevel.c
View File

@ -56,7 +56,12 @@ unsigned long udf_get_last_block(struct super_block *sb)
struct block_device *bdev = sb->s_bdev; struct block_device *bdev = sb->s_bdev;
unsigned long lblock = 0; unsigned long lblock = 0;
if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock)) /*
* ioctl failed or returned obviously bogus value?
* Try using the device size...
*/
if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock) ||
lblock == 0)
lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits; lblock = bdev->bd_inode->i_size >> sb->s_blocksize_bits;
if (lblock) if (lblock)