This backports this patch:
commit 6e8b8726ad503214ba66e34aed69aff41de33489
Author: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Date: Mon Jul 15 11:19:32 2013 +0930
PTR_RET is now PTR_ERR_OR_ZERO
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/err.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/backport/backport-include/linux/err.h b/backport/backport-include/linux/err.h
index f62e3bf..5583c2f 100644
--- a/backport/backport-include/linux/err.h
+++ b/backport/backport-include/linux/err.h
@@ -23,4 +23,8 @@ static inline long __must_check IS_ERR_OR_NULL(const void *ptr)
}
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,12,0)
+#define PTR_ERR_OR_ZERO(p) PTR_RET(p)
+#endif
+
#endif /* __BACKPORT_LINUX_ERR_H */
--
1.7.10.4
--
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