diff options
Diffstat (limited to 'fs/ntfs/aops.c')
| -rw-r--r-- | fs/ntfs/aops.c | 9 | 
1 files changed, 4 insertions, 5 deletions
| diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c index 3a2e509c77c5..8946130c87ad 100644 --- a/fs/ntfs/aops.c +++ b/fs/ntfs/aops.c @@ -93,13 +93,11 @@ static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)  			ofs = 0;  			if (file_ofs < init_size)  				ofs = init_size - file_ofs; -			local_irq_save(flags);  			kaddr = kmap_atomic(page);  			memset(kaddr + bh_offset(bh) + ofs, 0,  					bh->b_size - ofs);  			flush_dcache_page(page);  			kunmap_atomic(kaddr); -			local_irq_restore(flags);  		}  	} else {  		clear_buffer_uptodate(bh); @@ -146,13 +144,11 @@ static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)  		recs = PAGE_SIZE / rec_size;  		/* Should have been verified before we got here... */  		BUG_ON(!recs); -		local_irq_save(flags);  		kaddr = kmap_atomic(page);  		for (i = 0; i < recs; i++)  			post_read_mst_fixup((NTFS_RECORD*)(kaddr +  					i * rec_size), rec_size);  		kunmap_atomic(kaddr); -		local_irq_restore(flags);  		flush_dcache_page(page);  		if (likely(page_uptodate && !PageError(page)))  			SetPageUptodate(page); @@ -926,7 +922,7 @@ static int ntfs_write_mst_block(struct page *page,  	ntfs_volume *vol = ni->vol;  	u8 *kaddr;  	unsigned int rec_size = ni->itype.index.block_size; -	ntfs_inode *locked_nis[PAGE_SIZE / rec_size]; +	ntfs_inode *locked_nis[PAGE_SIZE / NTFS_BLOCK_SIZE];  	struct buffer_head *bh, *head, *tbh, *rec_start_bh;  	struct buffer_head *bhs[MAX_BUF_PER_PAGE];  	runlist_element *rl; @@ -935,6 +931,9 @@ static int ntfs_write_mst_block(struct page *page,  	bool sync, is_mft, page_is_dirty, rec_is_dirty;  	unsigned char bh_size_bits; +	if (WARN_ON(rec_size < NTFS_BLOCK_SIZE)) +		return -EINVAL; +  	ntfs_debug("Entering for inode 0x%lx, attribute type 0x%x, page index "  			"0x%lx.", vi->i_ino, ni->type, page->index);  	BUG_ON(!NInoNonResident(ni)); |