[PATCH] assoc_array: Include rcupdate.h for call_rcu() definition

[Pranith Kumar]

Include rcupdate.h header to provide call_rcu() definition. This was implicitly
being provided by slab.h file which include srcu.h somewhere in its include
hierarchy which in-turn included rcupdate.h. 

Lately, tinification effort added support to remove srcu entirely because of
which we are encountering build errors like

lib/assoc_array.c: In function 'assoc_array_apply_edit':
lib/assoc_array.c:1426:2: error: implicit declaration of function 'call_rcu' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors

Fix these by including rcupdate.h explicitly.

Signed-off-by: Pranith Kumar <bobby.prani@xxxxxxxxx>
Reported-by: Scott Wood <scottwood@xxxxxxxxxxxxx>
---
 lib/assoc_array.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/assoc_array.c b/lib/assoc_array.c
index 2404d03..03dd576 100644
--- a/lib/assoc_array.c
+++ b/lib/assoc_array.c
@@ -11,6 +11,7 @@
  * 2 of the Licence, or (at your option) any later version.
  */
 //#define DEBUG
+#include <linux/rcupdate.h>
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/assoc_array_priv.h>
-- 
1.9.1

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