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authorJames Morris <james.morris@microsoft.com>2018-11-12 20:07:41 +0300
committerJames Morris <james.morris@microsoft.com>2018-11-12 20:07:41 +0300
commit26b76320a8a550472bbb8f42257df83fcb8d8df6 (patch)
tree8a5b569f4f070bf4971e24e7fccfe3004b8fc4ba /tools/include/linux/err.h
parentf09c296ebf407f98f4ca70892e612b54484bf663 (diff)
parentccda4af0f4b92f7b4c308d3acc262f4a7e3affad (diff)
downloadlinux-26b76320a8a550472bbb8f42257df83fcb8d8df6.tar.xz
Merge tag 'v4.20-rc2' into next-general
Sync to Linux 4.20-rc2 for downstream developers.
Diffstat (limited to 'tools/include/linux/err.h')
-rw-r--r--tools/include/linux/err.h7
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 */