| commit | fa93ca18a8b0da4e26bd9491ad144cd14d22f8ec | |
| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | |
| Thu, 6 Nov 2008 20:53:56 +0000 (6 12:53 -0800) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Thu, 6 Nov 2008 23:41:21 +0000 (6 15:41 -0800) | ||
| tree | 2950aa2baa218493329873a61aa234c7fcc5d83e | treesnapshot (tar.gz zip) |
| parent | dfc209c0064efef5590f608056a48b61a5cac09c | commitdiff |
fat: Fix _fat_bmap() race
fat_get_cluster() assumes the requested blocknr isn't truncated during
read. _fat_bmap() doesn't follow this rule.
This protects it by ->i_mutex.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fat_get_cluster() assumes the requested blocknr isn't truncated during
read. _fat_bmap() doesn't follow this rule.
This protects it by ->i_mutex.
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| fs/fat/inode.c | diffblobblamehistory |