AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-19 13:56:09 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Btrfs: Fix extent_map leak in extent_bmap

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan 2007-10-29 11:41:05 -04:00 committed by Chris Mason
parent 44ec0b7179
commit c67cda1758
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
fs/btrfs/extent_map.c
View File

@ -1924,6 +1924,7 @@ sector_t extent_bmap(struct address_space *mapping, sector_t iblock,
struct inode *inode = mapping->host;
u64 start = iblock << inode->i_blkbits;
u64 end = start + (1 << inode->i_blkbits) - 1;
sector_t sector = 0;
struct extent_map *em;
em = get_extent(inode, NULL, 0, start, end, 0);
@ -1932,9 +1933,12 @@ sector_t extent_bmap(struct address_space *mapping, sector_t iblock,
if (em->block_start == EXTENT_MAP_INLINE ||
em->block_start == EXTENT_MAP_HOLE)
return 0;
goto out;
return (em->block_start + start - em->start) >> inode->i_blkbits;
sector = (em->block_start + start - em->start) >> inode->i_blkbits;
out:
free_extent_map(em);
return sector;
}
static int add_lru(struct extent_map_tree *tree, struct extent_buffer *eb)