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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:06 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-03-20 13:44:06 -0500 |
| commit | 7bab377fcb495ee2e5a1cd69d235f8d84c76e3af (patch) | |
| tree | 67f03fbc543632ccf71075af250635201b43801b /fs/lockd/clntlock.c | |
| parent | 36943fa4b2701b9ef2d60084c85ecbe634aec252 (diff) | |
| download | linux-7bab377fcb495ee2e5a1cd69d235f8d84c76e3af.tar.gz linux-7bab377fcb495ee2e5a1cd69d235f8d84c76e3af.tar.bz2 linux-7bab377fcb495ee2e5a1cd69d235f8d84c76e3af.zip | |
lockd: Don't expose the process pid to the NLM server
Instead we use the nlm_lockowner->pid.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/lockd/clntlock.c')
| -rw-r--r-- | fs/lockd/clntlock.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c index da6354baa0b8..8ae79ae4b998 100644 --- a/fs/lockd/clntlock.c +++ b/fs/lockd/clntlock.c @@ -125,7 +125,15 @@ u32 nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *lock) list_for_each_entry(block, &nlm_blocked, b_list) { struct file_lock *fl_blocked = block->b_lock; - if (!nlm_compare_locks(fl_blocked, fl)) + if (fl_blocked->fl_start != fl->fl_start) + continue; + if (fl_blocked->fl_end != fl->fl_end) + continue; + /* + * Careful! The NLM server will return the 32-bit "pid" that + * we put on the wire: in this case the lockowner "pid". + */ + if (fl_blocked->fl_u.nfs_fl.owner->pid != lock->svid) continue; if (!nlm_cmp_addr(&block->b_host->h_addr, addr)) continue; |