INT_MAX needs limits.h in userland.
When ethtool.h is included by a userland app, we got the following error:
.../usr/include/linux/ethtool.h: In function 'ethtool_validate_speed':
.../usr/include/linux/ethtool.h:1471:18: error: 'INT_MAX' undeclared (first use in this function)
return speed <= INT_MAX || speed == SPEED_UNKNOWN
^
Fixes: e02564ee334a ("ethtool: make validate_speed accept all speeds between 0 and INT_MAX")
CC: Nikolay Aleksandrov <nikolay@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
---
include/uapi/linux/ethtool.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 9c22249ebf35..2835b07416b7 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -17,6 +17,10 @@
#include <linux/types.h>
#include <linux/if_ether.h>
+#ifndef __KERNEL__
+#include <limits.h> /* for INT_MAX */
+#endif
+
/* All structures exposed to userland should be defined such that they
* have the same layout for 32-bit and 64-bit userland.
*/
--
2.4.2
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