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Message-Id: <1449771501-24976-1-git-send-email-geyslan@gmail.com>
Date: Thu, 10 Dec 2015 15:18:19 -0300
From: "Geyslan G. Bem" <geyslan@...il.com>
To: peter.senna@...il.com
Cc: "Geyslan G. Bem" <geyslan@...il.com>,
Alan Stern <stern@...land.harvard.edu>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 4/9] usb: host: ehci.h: fix single statement macros
Don't use the 'do {} while (0)' wrapper in a single statement macro.
Caught by checkpatch: "WARNING: Single statement macros should not
use a do {} while (0) loop"
Signed-off-by: Geyslan G. Bem <geyslan@...il.com>
---
Change in v3:
- There's no need to evaluate COUNT(x) in #ifdef EHCI_STATS
false branch. Thus an empty #define is the choice.
---
drivers/usb/host/ehci.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index cfeebd8..c86194f 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -244,9 +244,9 @@ struct ehci_hcd { /* one per controller */
/* irq statistics */
#ifdef EHCI_STATS
struct ehci_stats stats;
-# define COUNT(x) do { (x)++; } while (0)
+# define COUNT(x) ((x)++)
#else
-# define COUNT(x) do {} while (0)
+# define COUNT(x)
#endif
/* debug files */
--
2.6.3
--
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