hpfs: fix warnings when the filesystem fills up
authorMikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Sat, 8 Jun 2013 23:25:57 +0000 (01:25 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 9 Jun 2013 00:39:40 +0000 (17:39 -0700)
commitbbd465df73f0d8ba41b8a0732766a243d0f5b356
tree540185afd63cb5030b9f1a907df2337f19f27502
parent81db4dbf592b486ac2bc7cabfb328ee2a6c4725d
hpfs: fix warnings when the filesystem fills up

This patch fixes warnings due to missing lock on write error path.

  WARNING: at fs/hpfs/hpfs_fn.h:353 hpfs_truncate+0x75/0x80 [hpfs]()
  Hardware name: empty
  Pid: 26563, comm: dd Tainted: P           O 3.9.4 #12
  Call Trace:
    hpfs_truncate+0x75/0x80 [hpfs]
    hpfs_write_begin+0x84/0x90 [hpfs]
    _hpfs_bmap+0x10/0x10 [hpfs]
    generic_file_buffered_write+0x121/0x2c0
    __generic_file_aio_write+0x1c7/0x3f0
    generic_file_aio_write+0x7c/0x100
    do_sync_write+0x98/0xd0
    hpfs_file_write+0xd/0x50 [hpfs]
    vfs_write+0xa2/0x160
    sys_write+0x51/0xa0
    page_fault+0x22/0x30
    system_call_fastpath+0x1a/0x1f

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/hpfs/file.c