[PATCH -next 1/3] powerpc/rtas: Replaced simple_strtoull() with kstrtoull()

[Chen Huang]

The simple_strtoull() function is deprecated in some situation, since
it does not check for the range overflow, use kstrtoull() instead.

Signed-off-by: Chen Huang <chenhua...@huawei.com>
---
 arch/powerpc/kernel/rtas-proc.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index 6857a5b0a1c3..117886782ebd 100644
--- a/arch/powerpc/kernel/rtas-proc.c
+++ b/arch/powerpc/kernel/rtas-proc.c
@@ -259,7 +259,6 @@ __initcall(proc_rtas_init);
 static int parse_number(const char __user *p, size_t count, u64 *val)
 {
        char buf[40];
-       char *end;
 
        if (count > 39)
                return -EINVAL;
@@ -269,11 +268,7 @@ static int parse_number(const char __user *p, size_t 
count, u64 *val)
 
        buf[count] = 0;
 
-       *val = simple_strtoull(buf, &end, 10);
-       if (*end && *end != '\n')
-               return -EINVAL;
-
-       return 0;
+       return kstrtoull(buf, 10, val);
 }
 
 /* ****************************************************************** */
-- 
2.25.1