rhashtable: Fix undeclared EEXIST build error on ia64

We need to include linux/errno.h in rhashtable.h since it doesn't
always get included otherwise.

Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h
index c3034de2c2359ea09a31da342add1499f2244a59..89d102270570aa114aae729f7cee67d38a42b347 100644 (file)
--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@@ -18,6 +18,7 @@
 #define _LINUX_RHASHTABLE_H
 
 #include <linux/compiler.h>
+#include <linux/errno.h>
 #include <linux/list_nulls.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>