Commit-ID: 01ab2e91103b8c23dfedfeb799bc8b810d585bd0 Gitweb: https://git.kernel.org/tip/01ab2e91103b8c23dfedfeb799bc8b810d585bd0 Author: Ding Xiang <[email protected]> AuthorDate: Fri, 7 Sep 2018 09:34:41 +0800 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 19 Sep 2018 10:25:08 -0300
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 <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/include/linux/err.h | 7 +++++++ 1 file changed, 7 insertions(+) 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 */
