From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Borislav Petkov <bbpetkov@yahoo.de>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH 06/21] ide-floppy: remove struct idefloppy_flexible_disk_page
Date: Sat, 12 Jan 2008 21:15:29 +0100 [thread overview]
Message-ID: <200801122115.29227.bzolnier@gmail.com> (raw)
In-Reply-To: <200801120158.57895.bzolnier@gmail.com>
On Saturday 12 January 2008, Bartlomiej Zolnierkiewicz wrote:
[...]
> > - header = (idefloppy_mode_parameter_header_t *) pc.buffer;
> > - floppy->wp = header->wp;
> > + floppy->wp = pc.buffer[3] & 0x80;
>
> This is not an equivalent transformation:
>
> header->wp is 0 or 1
> pc.buffer[3] & 0x80 is 0 or 0x80
>
> It seems to work fine for ->wp (because it is needlessly defined as 'int')
> but may seriously confuse set_disk_ro() and thus bdev_read_only() users.
>
> Should be fixed to '(pc.buffer[3] & 0x80) ? 1 : 0' (or something similar).
Update: this change belongs to patch #10 (+ the need for such change in
patch #6 is a hint that #10 should be before #6)
next prev parent reply other threads:[~2008-01-12 20:20 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-11 11:57 [PATCH 00/21] ide-floppy redux v2 Borislav Petkov
2008-01-11 11:57 ` [PATCH 01/21] ide-floppy: convert to generic packet commands Borislav Petkov
2008-01-11 11:58 ` [PATCH 02/21] ide-floppy: replace ntoh{s,l} and hton{s,l} calls with the generic byteorder Borislav Petkov
2008-01-11 11:58 ` [PATCH 03/21] ide-floppy: remove unnecessary ->handler != NULL check Borislav Petkov
2008-01-11 11:58 ` [PATCH 04/21] ide-floppy: cleanup and unify debugging macro calls Borislav Petkov
2008-01-11 11:58 ` [PATCH 05/21] ide-floppy: remove struct idefloppy_capabilities_page Borislav Petkov
2008-01-11 11:58 ` [PATCH 06/21] ide-floppy: remove struct idefloppy_flexible_disk_page Borislav Petkov
2008-01-11 11:58 ` [PATCH 07/21] ide-floppy: remove struct idefloppy_capacity_descriptor Borislav Petkov
2008-01-11 11:58 ` [PATCH 08/21] ide-floppy: remove struct idefloppy_inquiry_result Borislav Petkov
2008-01-11 11:58 ` [PATCH 09/21] ide-floppy: remove struct idefloppy_request_sense_result Borislav Petkov
2008-01-11 11:58 ` [PATCH 10/21] ide-floppy: remove struct idefloppy_mode_parameter_header Borislav Petkov
2008-01-11 11:58 ` [PATCH 11/21] ide-floppy: fix comments formatting Borislav Petkov
2008-01-11 11:58 ` [PATCH 12/21] ide-floppy: factor out ioctl handlers from idefloppy_ioctl() Borislav Petkov
[not found] ` <1200052699-28420-14-git-send-email-bbpetkov@yahoo.de>
2008-01-11 11:58 ` [PATCH 14/21] ide-floppy: mv idefloppy_{should_,}report_error Borislav Petkov
2008-01-11 11:58 ` [PATCH 15/21] ide-floppy: disambiguate function names Borislav Petkov
[not found] ` <1200052699-28420-17-git-send-email-bbpetkov@yahoo.de>
[not found] ` <1200052699-28420-18-git-send-email-bbpetkov@yahoo.de>
2008-01-11 11:58 ` [PATCH 18/21] ide-floppy: fix error handling in idefloppy_probe() Borislav Petkov
2008-01-11 11:58 ` [PATCH 19/21] ide-floppy: fix most of the remaining checkpatch.pl issues Borislav Petkov
2008-01-11 11:58 ` [PATCH 20/21] ide-floppy: merge idefloppy_{input,output}_buffers Borislav Petkov
2008-01-11 11:58 ` [PATCH 21/21] ide-floppy: remove atomic test_*bit macros Borislav Petkov
2008-01-12 20:19 ` Bartlomiej Zolnierkiewicz
2008-01-12 20:19 ` [PATCH 20/21] ide-floppy: merge idefloppy_{input,output}_buffers Bartlomiej Zolnierkiewicz
2008-01-12 20:18 ` [PATCH 19/21] ide-floppy: fix most of the remaining checkpatch.pl issues Bartlomiej Zolnierkiewicz
2008-01-12 20:18 ` [PATCH 18/21] ide-floppy: fix error handling in idefloppy_probe() Bartlomiej Zolnierkiewicz
2008-01-12 21:12 ` Borislav Petkov
2008-01-12 20:16 ` [PATCH 14/21] ide-floppy: mv idefloppy_{should_,}report_error Bartlomiej Zolnierkiewicz
2008-01-12 20:16 ` [PATCH 12/21] ide-floppy: factor out ioctl handlers from idefloppy_ioctl() Bartlomiej Zolnierkiewicz
2008-01-12 20:16 ` [PATCH 11/21] ide-floppy: fix comments formatting Bartlomiej Zolnierkiewicz
2008-01-12 0:59 ` [PATCH 07/21] ide-floppy: remove struct idefloppy_capacity_descriptor Bartlomiej Zolnierkiewicz
2008-01-12 0:58 ` [PATCH 06/21] ide-floppy: remove struct idefloppy_flexible_disk_page Bartlomiej Zolnierkiewicz
2008-01-12 20:15 ` Bartlomiej Zolnierkiewicz [this message]
2008-01-12 20:38 ` Borislav Petkov
2008-01-12 21:32 ` Bartlomiej Zolnierkiewicz
2008-01-11 23:56 ` [PATCH 04/21] ide-floppy: cleanup and unify debugging macro calls Bartlomiej Zolnierkiewicz
2008-01-12 13:46 ` [PATCH 00/21] ide-floppy redux v2 Bartlomiej Zolnierkiewicz
2008-01-12 20:14 ` Bartlomiej Zolnierkiewicz
2008-01-12 20:51 ` Borislav Petkov
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