copy_in_user() copies data from user-space address @from to user-
space address @to. Hence declare both @from and @to as user-space
pointers.
Fixes: commit d597580d3737 ("generic ...copy_..._user primitives")
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
include/linux/uaccess.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index acdd6f915a8d..20ef8e6ec2db 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -156,7 +156,7 @@ copy_to_user(void __user *to, const void *from, unsigned long n)
}
#ifdef CONFIG_COMPAT
static __always_inline unsigned long __must_check
-copy_in_user(void __user *to, const void *from, unsigned long n)
+copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
might_fault();
if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n))
--
2.14.0