linux-kernel - [PATCH] staging: skein: fix sparse warnings related to shift operator

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Date:	Mon, 17 Nov 2014 09:44:56 +0100
From:	Domagoj Trsan <domagoj.trsan@...il.com>
To:	gregkh@...uxfoundation.org, jason@...edaemon.net, jake@....net,
	antonysaraev@...il.com, eric.rost@...abylon.net,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org
Cc:	Domagoj Trsan <domagoj.trsan@...il.com>
Subject: [PATCH] staging: skein: fix sparse warnings related to shift operator

Fix warnings:
drivers/staging/skein/skein_base.h:89:30: warning: shift too big (50) for type int
...
drivers/staging/skein/skein_base.h:89:30: warning: shift too big (39)for type int
drivers/staging/skein/skein_base.h:89:19: warning: too many warnings

Signed-off-by: Domagoj Trsan <domagoj.trsan@...il.com>
---
 drivers/staging/skein/skein_base.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/skein/skein_base.h b/drivers/staging/skein/skein_base.h
index 993b951..3c7f8ad 100644
--- a/drivers/staging/skein/skein_base.h
+++ b/drivers/staging/skein/skein_base.h
@@ -84,7 +84,7 @@ struct skein_1024_ctx { /* 1024-bit Skein hash context structure */
 	u8 b[SKEIN_1024_BLOCK_BYTES];	/* partial block buf (8-byte aligned) */
 };
 
-static inline int rotl_64(int x, int N)
+static inline u64 rotl_64(u64 x, u8 N)
 {
 	return (x << N) | (x >> (64 - N));
 }
-- 
2.1.0

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