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From: Wolfram Sang <wsa@the-dreams.de>
To: Nickolaus Woodruff <nickolauswoodruff@gmail.com>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drivers/i2c/i2c-core.c: Fix sparse warning
Date: Fri, 3 Apr 2015 20:28:23 +0200	[thread overview]
Message-ID: <20150403182822.GC1298@katana> (raw)
In-Reply-To: <20150403025338.GA18595@Caladan>

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> -	u8 addr = (msg->addr << 1) | !!(msg->flags & I2C_M_RD);
> +	u8 addr = (msg->addr << 1) | ((msg->flags & I2C_M_RD) != 0);

I prefer !! as an idiom for "bit to bool".

Thanks,

   Wolfram


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      reply	other threads:[~2015-04-03 18:27 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-03  2:53 [PATCH] drivers/i2c/i2c-core.c: Fix sparse warning Nickolaus Woodruff
2015-04-03 18:28 ` Wolfram Sang [this message]

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