MFC r270710 and r270821:

- Update the OFED Linux Emulation layer as a preparation for a
hardware driver update from Mellanox Technologies.
- Remove empty files from the OFED Linux Emulation layer.
- Fix compile warnings related to printf() and the "%lld" and "%llx"
format specifiers.
- Add some missing 2-clause BSD copyrights.
- Add "Mellanox Technologies, Ltd." to list of copyright holders.
- Add some new compatibility files.
- Fix order of uninit in the mlx4ib module to avoid crash at unload
using the new module_exit_order() function.

Sponsored by:	Mellanox Technologies

1 files changed, 12 insertions, 0 deletions

diff --git a/sys/ofed/include/linux/err.h b/sys/ofed/include/linux/err.h
index 858931d..fe6b71d 100644
--- a/sys/ofed/include/linux/err.h
+++ b/sys/ofed/include/linux/err.h
@@ -2,6 +2,7 @@
  * Copyright (c) 2010 Isilon Systems, Inc.
  * Copyright (c) 2010 iX Systems, Inc.
  * Copyright (c) 2010 Panasas, Inc.
+ * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -57,4 +58,15 @@ ERR_CAST(void *ptr)
 	return (void *)ptr;
 }
 
+static inline int
+PTR_ERR_OR_ZERO(const void *ptr)
+{
+        if (IS_ERR(ptr))
+                return PTR_ERR(ptr);
+        else
+                return 0;
+}
+
+#define PTR_RET(p) PTR_ERR_OR_ZERO(p)
+
 #endif	/* _LINUX_ERR_H_ */