[S390] uaccess: use might_fault() instead of might_sleep()
Adds more checking in case lockdep is turned on.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 0235970..8377e91 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -131,7 +131,7 @@
#define put_user(x, ptr) \
({ \
- might_sleep(); \
+ might_fault(); \
__put_user(x, ptr); \
})
@@ -180,7 +180,7 @@
#define get_user(x, ptr) \
({ \
- might_sleep(); \
+ might_fault(); \
__get_user(x, ptr); \
})
@@ -231,7 +231,7 @@
static inline unsigned long __must_check
copy_to_user(void __user *to, const void *from, unsigned long n)
{
- might_sleep();
+ might_fault();
if (access_ok(VERIFY_WRITE, to, n))
n = __copy_to_user(to, from, n);
return n;
@@ -282,7 +282,7 @@
static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long n)
{
- might_sleep();
+ might_fault();
if (access_ok(VERIFY_READ, from, n))
n = __copy_from_user(to, from, n);
else
@@ -299,7 +299,7 @@
static inline unsigned long __must_check
copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
- might_sleep();
+ might_fault();
if (__access_ok(from,n) && __access_ok(to,n))
n = __copy_in_user(to, from, n);
return n;
@@ -312,7 +312,7 @@
strncpy_from_user(char *dst, const char __user *src, long count)
{
long res = -EFAULT;
- might_sleep();
+ might_fault();
if (access_ok(VERIFY_READ, src, 1))
res = uaccess.strncpy_from_user(count, src, dst);
return res;
@@ -321,7 +321,7 @@
static inline unsigned long
strnlen_user(const char __user * src, unsigned long n)
{
- might_sleep();
+ might_fault();
return uaccess.strnlen_user(n, src);
}
@@ -354,7 +354,7 @@
static inline unsigned long __must_check
clear_user(void __user *to, unsigned long n)
{
- might_sleep();
+ might_fault();
if (access_ok(VERIFY_WRITE, to, n))
n = uaccess.clear_user(n, to);
return n;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 10bccd1..c18b21d 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -512,7 +512,7 @@
BUG();
}
- might_sleep();
+ might_fault();
do {
__vcpu_run(vcpu);