diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:17:15 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:46 +0100 |
| commit | 3c52e49d7c81434e3d2ccb520b3a654c2cc7d03d (patch) | |
| tree | fee9f3d92204f6081e39481df5bb2dc4b038d9ea /arch/s390/lib/uaccess_pt.c | |
| parent | 5b479a79bff752c6719463f093bdd191f4b837db (diff) | |
[S390] sparse: fix sparse warnings with __user pointers
Use __force to quiet sparse warnings about user address space.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/lib/uaccess_pt.c')
| -rw-r--r-- | arch/s390/lib/uaccess_pt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 74833831417..342ae35a5ba 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -342,7 +342,8 @@ int futex_atomic_op_pt(int op, u32 __user *uaddr, int oparg, int *old) if (segment_eq(get_fs(), KERNEL_DS)) return __futex_atomic_op_pt(op, uaddr, oparg, old); spin_lock(¤t->mm->page_table_lock); - uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr); + uaddr = (u32 __force __user *) + __dat_user_addr((__force unsigned long) uaddr); if (!uaddr) { spin_unlock(¤t->mm->page_table_lock); return -EFAULT; @@ -378,7 +379,8 @@ int futex_atomic_cmpxchg_pt(u32 *uval, u32 __user *uaddr, if (segment_eq(get_fs(), KERNEL_DS)) return __futex_atomic_cmpxchg_pt(uval, uaddr, oldval, newval); spin_lock(¤t->mm->page_table_lock); - uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr); + uaddr = (u32 __force __user *) + __dat_user_addr((__force unsigned long) uaddr); if (!uaddr) { spin_unlock(¤t->mm->page_table_lock); return -EFAULT; |