diff mbox series

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

Message ID 20210526092020.554341-1-chenhuang5@huawei.com (mailing list archive)
State New
Headers show
Series [-next,1/3] powerpc/rtas: Replaced simple_strtoull() with kstrtoull() | expand

Commit Message

Chen Huang May 26, 2021, 9:20 a.m. UTC
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 <chenhuang5@huawei.com>
---
 arch/powerpc/kernel/rtas-proc.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)
diff mbox series

Patch

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);
 }
 
 /* ****************************************************************** */