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Date:	Sun, 26 Oct 2014 22:25:05 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
	David Sterba <dsterba@...e.cz>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 09/11] tty: ipwireless: Fix probable mask then right shift defects

Precedence of & and >> is not the same and is not left to right.
shift has higher precedence and should be done after the mask.

Add parentheses around the masks.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 drivers/tty/ipwireless/hardware.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c
index 2c14842..5c77e1e 100644
--- a/drivers/tty/ipwireless/hardware.c
+++ b/drivers/tty/ipwireless/hardware.c
@@ -378,9 +378,9 @@ static void swap_packet_bitfield_to_le(unsigned char *data)
 	/*
 	 * transform bits from aa.bbb.ccc to ccc.bbb.aa
 	 */
-	ret |= tmp & 0xc0 >> 6;
-	ret |= tmp & 0x38 >> 1;
-	ret |= tmp & 0x07 << 5;
+	ret |= (tmp & 0xc0) >> 6;
+	ret |= (tmp & 0x38) >> 1;
+	ret |= (tmp & 0x07) << 5;
 	*data = ret & 0xff;
 #endif
 }
@@ -393,9 +393,9 @@ static void swap_packet_bitfield_from_le(unsigned char *data)
 	/*
 	 * transform bits from ccc.bbb.aa to aa.bbb.ccc
 	 */
-	ret |= tmp & 0xe0 >> 5;
-	ret |= tmp & 0x1c << 1;
-	ret |= tmp & 0x03 << 6;
+	ret |= (tmp & 0xe0) >> 5;
+	ret |= (tmp & 0x1c) << 1;
+	ret |= (tmp & 0x03) << 6;
 	*data = ret & 0xff;
 #endif
 }
-- 
2.1.2

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