diff options
Diffstat (limited to 'kernel/futex_compat.c')
-rw-r--r-- | kernel/futex_compat.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c index 7e57c31670a3..d1d92b441fb7 100644 --- a/kernel/futex_compat.c +++ b/kernel/futex_compat.c | |||
@@ -129,14 +129,19 @@ asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val, | |||
129 | unsigned long timeout = MAX_SCHEDULE_TIMEOUT; | 129 | unsigned long timeout = MAX_SCHEDULE_TIMEOUT; |
130 | int val2 = 0; | 130 | int val2 = 0; |
131 | 131 | ||
132 | if (utime && (op == FUTEX_WAIT)) { | 132 | if (utime && (op == FUTEX_WAIT || op == FUTEX_LOCK_PI)) { |
133 | if (get_compat_timespec(&t, utime)) | 133 | if (get_compat_timespec(&t, utime)) |
134 | return -EFAULT; | 134 | return -EFAULT; |
135 | if (!timespec_valid(&t)) | 135 | if (!timespec_valid(&t)) |
136 | return -EINVAL; | 136 | return -EINVAL; |
137 | timeout = timespec_to_jiffies(&t) + 1; | 137 | if (op == FUTEX_WAIT) |
138 | timeout = timespec_to_jiffies(&t) + 1; | ||
139 | else { | ||
140 | timeout = t.tv_sec; | ||
141 | val2 = t.tv_nsec; | ||
142 | } | ||
138 | } | 143 | } |
139 | if (op >= FUTEX_REQUEUE) | 144 | if (op == FUTEX_REQUEUE || op == FUTEX_CMP_REQUEUE) |
140 | val2 = (int) (unsigned long) utime; | 145 | val2 = (int) (unsigned long) utime; |
141 | 146 | ||
142 | return do_futex(uaddr, op, val, timeout, uaddr2, val2, val3); | 147 | return do_futex(uaddr, op, val, timeout, uaddr2, val2, val3); |