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| author | J. Bruce Fields <bfields@redhat.com> | 2010-09-20 07:48:00 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-09-20 07:48:32 +0400 |
| commit | c88739b373e4930ed082a607cb78bf82616fd076 (patch) | |
| tree | 251d969aa816dab5a62e6b36208b189b37de6534 /kernel/sys.c | |
| parent | 3211af1119174fbe8b676422b74870cdd51d7314 (diff) | |
| parent | 827e3457022d0bb0b1bb8a0eb88501876fe7dcf0 (diff) | |
| download | linux-c88739b373e4930ed082a607cb78bf82616fd076.tar.xz | |
Merge remote branch 'trond/bugfixes' into for-2.6.37
Without some client-side fixes, server testing is currently difficult.
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index e9ad44489828..7f5a0cd296a9 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -931,6 +931,7 @@ SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid) pgid = pid; if (pgid < 0) return -EINVAL; + rcu_read_lock(); /* From this point forward we keep holding onto the tasklist lock * so that our parent does not change from under us. -DaveM @@ -984,6 +985,7 @@ SYSCALL_DEFINE2(setpgid, pid_t, pid, pid_t, pgid) out: /* All paths lead to here, thus we are safe. -DaveM */ write_unlock_irq(&tasklist_lock); + rcu_read_unlock(); return err; } |