From 08d61b46c53fc5fe1ed2c36019ae8240cfba15d0 Mon Sep 17 00:00:00 2001 From: Chen Huang Date: Wed, 26 May 2021 09:20:18 +0000 Subject: [PATCH] powerpc/rtas: Replaced simple_strtoull() with kstrtoull() 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 Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20210526092020.554341-1-chenhuang5@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); } /* ****************************************************************** */