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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:17:15 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:16:46 +0100
commit3c52e49d7c81434e3d2ccb520b3a654c2cc7d03d (patch)
treefee9f3d92204f6081e39481df5bb2dc4b038d9ea /arch/s390/lib
parent5b479a79bff752c6719463f093bdd191f4b837db (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')
-rw-r--r--arch/s390/lib/uaccess_pt.c6
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(&current->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(&current->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(&current->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(&current->mm->page_table_lock);
return -EFAULT;