[ovs-dev] [PATCH] datapath: Add backport for USHRT_MAX.
Jesse Gross
jesse at nicira.com
Thu Mar 3 21:40:39 UTC 2011
Kernels before 2.6.26 didn't have type limits for short at all
and before 2.6.35 it was called SHORT instead of SHRT.
Signed-off-by: Jesse Gross <jesse at nicira.com>
---
.../linux-2.6/compat-2.6/include/linux/kernel.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/datapath/linux-2.6/compat-2.6/include/linux/kernel.h b/datapath/linux-2.6/compat-2.6/include/linux/kernel.h
index 1c9f401..2c2220b 100644
--- a/datapath/linux-2.6/compat-2.6/include/linux/kernel.h
+++ b/datapath/linux-2.6/compat-2.6/include/linux/kernel.h
@@ -48,4 +48,10 @@
#error "CONFIG_PREEMPT is broken before 2.6.21--see commit 4498121ca3, \"[NET]: Handle disabled preemption in gfp_any()\""
#endif
+#ifndef USHRT_MAX
+#define USHRT_MAX ((u16)(~0U))
+#define SHRT_MAX ((s16)(USHRT_MAX>>1))
+#define SHRT_MIN ((s16)(-SHRT_MAX - 1))
+#endif
+
#endif /* linux/kernel.h */
--
1.7.1
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