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linux/err.h: add PTR_ERR_OR_ZERO

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Add missing PTR_ERR_OR_ZERO implementation. Also add a bunch of
generated files to .gitignore.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
This commit is contained in:
Andrii Nakryiko
2019-05-29 10:05:50 -07:00
committed by Andrii Nakryiko
parent 59a641543e
commit e60460f4e5
2 changed files with 7 additions and 0 deletions
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5
include/linux/err.h
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@@ -30,4 +30,9 @@ static inline bool IS_ERR_OR_NULL(const void *ptr)
return (!ptr) || IS_ERR_VALUE((unsigned long)ptr); return (!ptr) || IS_ERR_VALUE((unsigned long)ptr);
} }
static inline long PTR_ERR_OR_ZERO(const void *ptr)
{
return IS_ERR(ptr) ? PTR_ERR(ptr) : 0;
}
#endif #endif

2
src/.gitignore vendored
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@@ -1,2 +1,4 @@
*.o *.o
*.a *.a
/libbpf.pc
/libbpf.so*