linux-kernel - [PATCH] xen/xenbus: silence GCC warning

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Message-ID: <1350295389.1516.27.camel@x61.thuisdomein>
Date:	Mon, 15 Oct 2012 12:03:09 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, xen-devel@...ts.xensource.com,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] xen/xenbus: silence GCC warning

Compiling xenbus_xs.o triggers this GCC warning:
    drivers/xen/xenbus/xenbus_xs.c:628:13: warning: function declaration isn’t a prototype [-Wstrict-prototypes]

Add the obvious and trivial fix.

While we're touching this function add some equally obvious and trivial
whitespace fixes.

Signed-off-by: Paul Bolle <pebolle@...cali.nl>
---
0) Triggered by compiling v3.7-rc1 using (basically) Fedora 17's current
config. Compile tested only.

1) Obligatory reference: https://lwn.net/Articles/487493/ .

 drivers/xen/xenbus/xenbus_xs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c
index 48220e1..7a2b0da 100644
--- a/drivers/xen/xenbus/xenbus_xs.c
+++ b/drivers/xen/xenbus/xenbus_xs.c
@@ -619,13 +619,14 @@ static struct xenbus_watch *find_watch(const char *token)
 
 	return NULL;
 }
+
 /*
  * Certain older XenBus toolstack cannot handle reading values that are
  * not populated. Some Xen 3.4 installation are incapable of doing this
  * so if we are running on anything older than 4 do not attempt to read
  * control/platform-feature-xs_reset_watches.
  */
-static bool xen_strict_xenbus_quirk()
+static bool xen_strict_xenbus_quirk(void)
 {
 	uint32_t eax, ebx, ecx, edx, base;
 
@@ -635,8 +636,8 @@ static bool xen_strict_xenbus_quirk()
 	if ((eax >> 16) < 4)
 		return true;
 	return false;
-
 }
+
 static void xs_reset_watches(void)
 {
 	int err, supported = 0;
-- 
1.7.11.7

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