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Re: [Qemu-devel] [PATCH v3 3/5] atapi: GESN: Use structs for commonly-us
From: |
Amit Shah |
Subject: |
Re: [Qemu-devel] [PATCH v3 3/5] atapi: GESN: Use structs for commonly-used field types |
Date: |
Tue, 12 Apr 2011 19:30:13 +0530 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On (Tue) 12 Apr 2011 [15:10:39], Markus Armbruster wrote:
> Amit Shah <address@hidden> writes:
>
> > Instead of using magic numbers, use structs that are more descriptive of
> > the fields being used.
> >
> > Signed-off-by: Amit Shah <address@hidden>
> > ---
> > hw/ide/core.c | 22 +++++++++++++++++-----
> > 1 files changed, 17 insertions(+), 5 deletions(-)
> >
> > diff --git a/hw/ide/core.c b/hw/ide/core.c
> > index 5b64676..e838990 100644
> > --- a/hw/ide/core.c
> > +++ b/hw/ide/core.c
> > @@ -1088,11 +1088,23 @@ static void
> > handle_get_event_status_notification(IDEState *s,
> > uint8_t *buf,
> > const uint8_t *packet)
> > {
> > - unsigned int max_len;
> > -
> > - max_len = ube16_to_cpu(packet + 7);
> > -
> > - if (!(packet[1] & 0x01)) { /* asynchronous mode */
> > + struct {
> > + uint8_t opcode;
> > + uint8_t polled; /* lsb bit is polled; others are reserved */
> > + uint8_t reserved2[2];
> > + uint8_t class;
> > + uint8_t reserved3[2];
> > + uint16_t len;
> > + uint8_t control;
> > + } __attribute__((packed)) *gesn_cdb;
> > +
> > + unsigned int max_len, used_len;
>
> .../hw/ide/core.c:1250: warning: unused variable ‘used_len’
OK, it should come with 4/5.
Bad rebase day.
Amit
[Qemu-devel] [PATCH v3 5/5] atapi: GESN: implement 'media' subcommand, Amit Shah, 2011/04/12