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| author | Ding Xiang <dingxiang@cmss.chinamobile.com> | 2018-09-07 03:34:41 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-09-19 15:25:08 +0200 |
| commit | 01ab2e91103b8c23dfedfeb799bc8b810d585bd0 (patch) | |
| tree | 0a99ab56ea64634e86c4074554685317a1ca947e | |
| parent | perf ordered_events: Prevent crossing max_alloc_size (diff) | |
| download | linux-01ab2e91103b8c23dfedfeb799bc8b810d585bd0.tar.xz linux-01ab2e91103b8c23dfedfeb799bc8b810d585bd0.zip | |
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 <dingxiang@cmss.chinamobile.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1536284082-23466-1-git-send-email-dingxiang@cmss.chinamobile.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/include/linux/err.h | 7 |
1 files changed, 7 insertions, 0 deletions
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 */ |