From: tip-bot for Ding Xiang <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: alexander.shishkin@linux.intel.com, tglx@linutronix.de,
dingxiang@cmss.chinamobile.com, hpa@zytor.com,
namhyung@kernel.org, mingo@kernel.org, jolsa@redhat.com,
linux-kernel@vger.kernel.org, peterz@infradead.org,
acme@redhat.com
Subject: [tip:perf/core] tools include: Adopt PTR_ERR_OR_ZERO from the kernel err.h header
Date: Tue, 25 Sep 2018 02:30:06 -0700 [thread overview]
Message-ID: <tip-01ab2e91103b8c23dfedfeb799bc8b810d585bd0@git.kernel.org> (raw)
In-Reply-To: <1536284082-23466-1-git-send-email-dingxiang@cmss.chinamobile.com>
Commit-ID: 01ab2e91103b8c23dfedfeb799bc8b810d585bd0
Gitweb: https://git.kernel.org/tip/01ab2e91103b8c23dfedfeb799bc8b810d585bd0
Author: Ding Xiang <dingxiang@cmss.chinamobile.com>
AuthorDate: Fri, 7 Sep 2018 09:34:41 +0800
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
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 <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>
---
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 */
prev parent reply other threads:[~2018-09-25 9:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-07 1:34 [PATCH 1/2] tools: include: Add PTR_ERR_OR_ZERO to err.h Ding Xiang
2018-09-07 1:34 ` [PATCH 2/2] perf tools: use PTR_ERR_OR_ZERO inetead of return code Ding Xiang
2018-09-25 9:30 ` [tip:perf/core] perf bpf-loader: " tip-bot for Ding Xiang
2018-09-10 15:09 ` [PATCH 1/2] tools: include: Add PTR_ERR_OR_ZERO to err.h Arnaldo Carvalho de Melo
2018-09-25 9:30 ` tip-bot for Ding Xiang [this message]
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