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include/linux/err.h: add a function to cast error-pointers to a return value
[pandora-kernel.git]
/
include
/
linux
/
err.h
diff --git
a/include/linux/err.h
b/include/linux/err.h
index
448afc1
..
f2edce2
100644
(file)
--- a/
include/linux/err.h
+++ b/
include/linux/err.h
@@
-52,6
+52,14
@@
static inline void * __must_check ERR_CAST(const void *ptr)
return (void *) ptr;
}
+static inline int __must_check PTR_RET(const void *ptr)
+{
+ if (IS_ERR(ptr))
+ return PTR_ERR(ptr);
+ else
+ return 0;
+}
+
#endif
#endif /* _LINUX_ERR_H */