linux-kernel - [PATCH] char/random: include <linux/hw_random.h> for add_hwgenerator

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Message-Id: <20191016104454.28279-1-ben.dooks@codethink.co.uk>
Date:   Wed, 16 Oct 2019 11:44:54 +0100
From:   "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
To:     linux-kernel@...ts.codethink.co.uk
Cc:     "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>,
        "Theodore Ts'o" <tytso@....edu>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] char/random: include <linux/hw_random.h> for add_hwgenerator_randomness

The add_hwgenerator_randomness() is declared in <linux/hw_random.h>
but this is not being included in drivers/char/random.c so fix
the following sparse warning by including it:

drivers/char/random.c:2489:6: warning: symbol 'add_hwgenerator_randomness' was not declared. Should it be static?

Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
---
Cc: "Theodore Ts'o" <tytso@....edu>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org
---
 drivers/char/random.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index de434feb873a..da9a58068621 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -336,6 +336,7 @@
 #include <linux/completion.h>
 #include <linux/uuid.h>
 #include <crypto/chacha.h>
+#include <linux/hw_random.h>
 
 #include <asm/processor.h>
 #include <linux/uaccess.h>
-- 
2.23.0