diff options
Diffstat (limited to 'fs/udf')
| -rw-r--r-- | fs/udf/balloc.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 19626e2491c4..9a9378b4eb5a 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c | |||
| @@ -125,9 +125,8 @@ static void udf_bitmap_free_blocks(struct super_block *sb, | |||
| 125 | 125 | ||
| 126 | mutex_lock(&sbi->s_alloc_mutex); | 126 | mutex_lock(&sbi->s_alloc_mutex); |
| 127 | partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; | 127 | partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; |
| 128 | if (bloc->logicalBlockNum < 0 || | 128 | if (bloc->logicalBlockNum + count < count || |
| 129 | (bloc->logicalBlockNum + count) > | 129 | (bloc->logicalBlockNum + count) > partmap->s_partition_len) { |
| 130 | partmap->s_partition_len) { | ||
| 131 | udf_debug("%d < %d || %d + %d > %d\n", | 130 | udf_debug("%d < %d || %d + %d > %d\n", |
| 132 | bloc->logicalBlockNum, 0, bloc->logicalBlockNum, | 131 | bloc->logicalBlockNum, 0, bloc->logicalBlockNum, |
| 133 | count, partmap->s_partition_len); | 132 | count, partmap->s_partition_len); |
| @@ -393,9 +392,8 @@ static void udf_table_free_blocks(struct super_block *sb, | |||
| 393 | 392 | ||
| 394 | mutex_lock(&sbi->s_alloc_mutex); | 393 | mutex_lock(&sbi->s_alloc_mutex); |
| 395 | partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; | 394 | partmap = &sbi->s_partmaps[bloc->partitionReferenceNum]; |
| 396 | if (bloc->logicalBlockNum < 0 || | 395 | if (bloc->logicalBlockNum + count < count || |
| 397 | (bloc->logicalBlockNum + count) > | 396 | (bloc->logicalBlockNum + count) > partmap->s_partition_len) { |
| 398 | partmap->s_partition_len) { | ||
| 399 | udf_debug("%d < %d || %d + %d > %d\n", | 397 | udf_debug("%d < %d || %d + %d > %d\n", |
| 400 | bloc->logicalBlockNum, 0, bloc->logicalBlockNum, count, | 398 | bloc->logicalBlockNum, 0, bloc->logicalBlockNum, count, |
| 401 | partmap->s_partition_len); | 399 | partmap->s_partition_len); |