From: Al Viro <viro@ftp.linux.org.uk>
To: Roel Kluin <12o3l@tiscali.nl>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/4] fix not-and/or errors
Date: Wed, 17 Oct 2007 15:32:40 +0100 [thread overview]
Message-ID: <20071017143240.GH8181@ftp.linux.org.uk> (raw)
In-Reply-To: <47161243.6060007@tiscali.nl>
On Wed, Oct 17, 2007 at 03:46:43PM +0200, Roel Kluin wrote:
> +++ b/drivers/misc/asus-laptop.c
> @@ -322,7 +322,7 @@ static void write_status(acpi_handle handle, int out, int mask)
>
> switch (mask) {
> case MLED_ON:
> - out = !out & 0x1;
> + out = !(out & 0x1);
Not sure if that's what had been intended.
> @@ -2882,7 +2882,7 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon
> !(STp->use_pf & PF_TESTED)) {
> /* Try the other possible state of Page Format if not
> already tried */
> - STp->use_pf = !STp->use_pf | PF_TESTED;
> + STp->use_pf = !(STp->use_pf | PF_TESTED);
Wrong. This code, ugly as it is, happens to be correct. Replacement
isn't. I would rewrite it as ^= PF_TESTED | USE_PF; /* remove USE_PF, set *
* PF_TESTED */
The rest is covered by Alexey's patch and one I'd posted as followup.
next prev parent reply other threads:[~2007-10-17 14:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-17 13:46 [PATCH 1/4] fix not-and/or errors Roel Kluin
2007-10-17 13:49 ` [PATCH 2/4] " Roel Kluin
2007-10-17 13:54 ` Roel Kluin
2007-10-17 14:03 ` Peter Zijlstra
2007-10-17 13:53 ` [PATCH 3/4] " Roel Kluin
2007-10-17 13:55 ` [PATCH 4/4] " Roel Kluin
2007-10-17 14:05 ` Peter Zijlstra
2007-10-17 14:35 ` Al Viro
2007-10-18 14:02 ` [PATCH 4/4 returns] " Roel Kluin
2007-10-17 14:02 ` [PATCH 1/4] " Peter Zijlstra
2007-10-17 14:17 ` Andreas Schwab
2007-10-17 14:32 ` Al Viro [this message]
2007-10-18 14:38 ` Roel Kluin
2007-10-18 15:00 ` Roel Kluin
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