diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/user.c | 2 | ||||
| -rw-r--r-- | kernel/rcupdate.c | 7 | ||||
| -rw-r--r-- | kernel/sched.c | 2 |
3 files changed, 9 insertions, 2 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c index 4d2289626a8..a8c96212bc1 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -420,7 +420,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, * User space encodes device types as two-byte values, * so we need to recode them */ - swdev = old_decode_dev(swap_area.dev); + swdev = new_decode_dev(swap_area.dev); if (swdev) { offset = swap_area.offset; data->swap = swap_type_of(swdev, offset, NULL); diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 63fe2543398..03a7ea1579f 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -69,6 +69,13 @@ EXPORT_SYMBOL_GPL(rcu_scheduler_active); #ifdef CONFIG_DEBUG_LOCK_ALLOC +int debug_lockdep_rcu_enabled(void) +{ + return rcu_scheduler_active && debug_locks && + current->lockdep_recursion == 0; +} +EXPORT_SYMBOL_GPL(debug_lockdep_rcu_enabled); + /** * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section? * diff --git a/kernel/sched.c b/kernel/sched.c index 8cafe3ff558..b0bbadc2495 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4860,7 +4860,7 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, int ret; cpumask_var_t mask; - if (len < nr_cpu_ids) + if ((len * BITS_PER_BYTE) < nr_cpu_ids) return -EINVAL; if (len & (sizeof(unsigned long)-1)) return -EINVAL; |