From 01ab2e91103b8c23dfedfeb799bc8b810d585bd0 Mon Sep 17 00:00:00 2001 From: Ding Xiang Date: Fri, 7 Sep 2018 09:34:41 +0800 Subject: tools include: Adopt PTR_ERR_OR_ZERO from the kernel err.h header Add PTR_ERR_OR_ZERO, so that tools can use it, just like the kernel. Signed-off-by: Ding Xiang Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1536284082-23466-1-git-send-email-dingxiang@cmss.chinamobile.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/err.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'tools/include/linux') diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h index 7a8b61ad44cb..094649667bae 100644 --- a/tools/include/linux/err.h +++ b/tools/include/linux/err.h @@ -52,4 +52,11 @@ static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr) return unlikely(!ptr) || IS_ERR_VALUE((unsigned long)ptr); } +static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr) +{ + if (IS_ERR(ptr)) + return PTR_ERR(ptr); + else + return 0; +} #endif /* _LINUX_ERR_H */ -- cgit v1.2.3-55-g7522