netdev - [PATCH] dscc4: Undefined signed int shift

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Message-ID: <20160206014624.GA20990@thinkpad.swarthmore.edu>
Date:	Fri, 5 Feb 2016 20:46:25 -0500
From:	Michael McConville <mmcco@...olab.com>
To:	netdev@...r.kernel.org
Cc:	Francois Romieu <romieu@...zoreil.com>
Subject: [PATCH] dscc4: Undefined signed int shift

My analysis in the below mail applies, although the second part is
unnecessary because i isn't used in arithmetic operations here:

https://marc.info/?l=openbsd-tech&m=145377854103866&w=2

Thanks for your time.

Signed-off-by: Michael McConville <mmcco@...olab.com>
---
 drivers/net/wan/dscc4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c
index 7a72407..6292259 100644
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -1626,7 +1626,7 @@ try:
 		if (state & Xpr) {
 			void __iomem *scc_addr;
 			unsigned long ring;
-			int i;
+			unsigned int i;
 
 			/*
 			 * - the busy condition happens (sometimes);