aboutsummaryrefslogtreecommitdiff
path: root/kernel/futex_compat.c
diff options
context:
space:
mode:
authorDinakar Guniguntala <dino@in.ibm.com>2009-08-10 18:31:42 +0530
committerIngo Molnar <mingo@elte.hu>2009-08-10 15:41:12 +0200
commit4dc88029fd916b860ef063c40180aa604ce93494 (patch)
tree0c81f4012d0dda7238a137465f12a3e9e685f7b0 /kernel/futex_compat.c
parent2fc391112fb6f3424435a3aa2fda887497b5f807 (diff)
downloadlinaro-lsk-4dc88029fd916b860ef063c40180aa604ce93494.tar.gz
futex: Fix compat_futex to be same as futex for REQUEUE_PI
Need to add the REQUEUE_PI checks to the compat_sys_futex API as well to ensure 32 bit requeue's work fine on a 64 bit system. Patch is against latest tip Signed-off-by: Dinakar Guniguntala <dino@in.ibm.com> Cc: Darren Hart <dvhltc@us.ibm.com> LKML-Reference: <20090810130142.GA23619@in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/futex_compat.c')
-rw-r--r--kernel/futex_compat.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index d607a5b9ee2..235716556bf 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -180,7 +180,8 @@ asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
int cmd = op & FUTEX_CMD_MASK;
if (utime && (cmd == FUTEX_WAIT || cmd == FUTEX_LOCK_PI ||
- cmd == FUTEX_WAIT_BITSET)) {
+ cmd == FUTEX_WAIT_BITSET ||
+ cmd == FUTEX_WAIT_REQUEUE_PI)) {
if (get_compat_timespec(&ts, utime))
return -EFAULT;
if (!timespec_valid(&ts))
@@ -191,7 +192,8 @@ asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
t = ktime_add_safe(ktime_get(), t);
tp = &t;
}
- if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE)
+ if (cmd == FUTEX_REQUEUE || cmd == FUTEX_CMP_REQUEUE ||
+ cmd == FUTEX_CMP_REQUEUE_PI || cmd == FUTEX_WAKE_OP)
val2 = (int) (unsigned long) utime;
return do_futex(uaddr, op, val, tp, uaddr2, val2, val3);