From 67d0a0754455f89ef3946946159d8ec9e45ce33a Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 31 Oct 2011 17:13:10 -0700 Subject: [PATCH] kernel.h/checkpatch: mark strict_strto and simple_strto as obsolete Mark obsolete/deprecated strict_strto and simple_strto functions and macros as obsolete. Update checkpatch to warn about their use. Signed-off-by: Joe Perches Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/kernel.h | 4 ++++ scripts/checkpatch.pl | 6 +++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 4824f26a0dc2..4c0d3b2fd5fc 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -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 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) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 0b3e35c9ef08..5ba679c8cde6 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -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*\(/) { WARN("CONSIDER_KSTRTO", - "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 $herecurr); + "$1 is obsolete, use k$3 instead\n" .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*\(/) {