diff options
| author | Nick Piggin <[email protected]> | 2008-09-22 13:57:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2008-09-23 08:09:14 -0700 |
| commit | db203d53d474aa068984e409d807628f5841da1b (patch) | |
| tree | 7c4352513d8a108b916d2cbe16234346addf179c /net/unix/sysctl_net_unix.c | |
| parent | 2d4c8266774188cda7f7e612e6dfb8ad12c579d5 (diff) | |
mm: tiny-shmem fix lock ordering: mmap_sem vs i_mutex
tiny-shmem calls do_truncate in shmem_file_setup. do_truncate takes
i_mutex, and shmem_file_setup is called with mmap_sem held. However
i_mutex nests outside mmap_sem.
Copy the code in shmem.c to avoid this problem.
[[email protected]: coding-style fixes]
Signed-off-by: Nick Piggin <[email protected]>
Reported-and-tested-by: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Matt Mackall <[email protected]>
Cc: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'net/unix/sysctl_net_unix.c')
0 files changed, 0 insertions, 0 deletions