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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-26 14:41:00 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-02-26 14:41:00 +1100 |
| commit | 874f2f997dbe041a6c6e509dae8656ed9022d65d (patch) | |
| tree | 61898165882041ef7f9beaf2ef6663a1a4d3c29a /kernel/sys.c | |
| parent | 071c06cb570d38efe23a124e885f2f3e643a9206 (diff) | |
| parent | 6ebdc661b608671e9ca572af8bb42d58108cc008 (diff) | |
Merge commit 'origin/master' into next
Manual merge of:
drivers/char/hvc_console.c
drivers/char/hvc_console.h
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 26a6b73a6b8..18bde979f34 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -222,6 +222,7 @@ SYSCALL_DEFINE2(getpriority, int, which, int, who) if (which > PRIO_USER || which < PRIO_PROCESS) return -EINVAL; + rcu_read_lock(); read_lock(&tasklist_lock); switch (which) { case PRIO_PROCESS: @@ -267,6 +268,7 @@ SYSCALL_DEFINE2(getpriority, int, which, int, who) } out_unlock: read_unlock(&tasklist_lock); + rcu_read_unlock(); return retval; } |