diff options
| -rw-r--r-- | fs/cramfs/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index a624c3ec8189..0509cedd415c 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c | |||
| @@ -481,6 +481,8 @@ static int cramfs_readpage(struct file *file, struct page * page) | |||
| 481 | pgdata = kmap(page); | 481 | pgdata = kmap(page); |
| 482 | if (compr_len == 0) | 482 | if (compr_len == 0) |
| 483 | ; /* hole */ | 483 | ; /* hole */ |
| 484 | else if (compr_len > (PAGE_CACHE_SIZE << 1)) | ||
| 485 | printk(KERN_ERR "cramfs: bad compressed blocksize %u\n", compr_len); | ||
| 484 | else { | 486 | else { |
| 485 | mutex_lock(&read_mutex); | 487 | mutex_lock(&read_mutex); |
| 486 | bytes_filled = cramfs_uncompress_block(pgdata, | 488 | bytes_filled = cramfs_uncompress_block(pgdata, |