linux-kernel - [PATCH] fix:random:add missing header dependencies

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Message-Id: <1472172686-10703-1-git-send-email-baoyou.xie@linaro.org>
Date:   Fri, 26 Aug 2016 08:51:26 +0800
From:   Baoyou Xie <baoyou.xie@...aro.org>
To:     tytso@....edu, arnd@...db.de, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, xie.baoyou@....com.cn,
        baoyou.xie@...aro.org
Subject: [PATCH] fix:random:add missing header dependencies

We get 1 warning when biuld kernel with W=1:
drivers/char/random.c:2126:6: warning: no previous prototype
for 'add_hwgenerator_randomness' [-Wmissing-prototypes]

In fact, this function is declared in hw_random.h, so this patch
add missing header dependencies.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
 drivers/char/random.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 3efb3bf..155ea8b 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -262,6 +262,7 @@
 #include <linux/syscalls.h>
 #include <linux/completion.h>
 #include <linux/uuid.h>
+#include <linux/hw_random.h>
 #include <crypto/chacha20.h>
 
 #include <asm/processor.h>
-- 
2.7.4