Commit 67d0a075 authored by Joe Perches's avatar Joe Perches Committed by Linus Torvalds
Browse files

kernel.h/checkpatch: mark strict_strto<foo> and simple_strto<foo> as obsolete

Mark obsolete/deprecated strict_strto<foo> and simple_strto<foo> functions
and macros as obsolete.

Update checkpatch to warn about their use.
Signed-off-by: default avatarJoe Perches <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent fc23af34
......@@ -287,6 +287,8 @@ static inline int __must_check kstrtos32_from_user(const char __user *s, size_t
return kstrtoint_from_user(s, count, base, res);
/* Obsolete, do not use. Use kstrto<foo> instead */
extern unsigned long simple_strtoul(const char *,char **,unsigned int);
extern long simple_strtol(const char *,char **,unsigned int);
extern unsigned long long simple_strtoull(const char *,char **,unsigned int);
......@@ -296,6 +298,8 @@ extern long long simple_strtoll(const char *,char **,unsigned int);
#define strict_strtoull kstrtoull
#define strict_strtoll kstrtoll
/* lib/printf utilities */
extern __printf(2, 3) int sprintf(char *buf, const char * fmt, ...);
extern __printf(2, 0) int vsprintf(char *buf, const char *, va_list);
extern __printf(3, 4)
......@@ -3151,10 +3151,10 @@ sub process {
"consider using a completion\n" . $herecurr);
# recommend kstrto* over simple_strto*
if ($line =~ /\bsimple_(strto.*?)\s*\(/) {
# recommend kstrto* over simple_strto* and strict_strto*
if ($line =~ /\b((simple|strict)_(strto(l|ll|ul|ull)))\s*\(/) {
"consider using kstrto* in preference to simple_$1\n" . $herecurr);
"$1 is obsolete, use k$3 instead\n" . $herecurr);
# check for __initcall(), use device_initcall() explicitly please
if ($line =~ /^.\s*__initcall\s*\(/) {
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