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sparc: make proces_ver_nack a bit more readable

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Impact: clean up

The code in process_ver_nack is a little obfuscated. This change
makes it a bit more readable by humans. It removes the complex
if statement and replaces it with a cleaner flow of control.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steven Rostedt 2009-01-06 10:02:38 -08:00 committed by David S. Miller
parent 238c6d5483
commit b2c0805f77
1 changed files with 12 additions and 11 deletions
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23
arch/sparc/kernel/ldc.c
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@ -625,22 +625,23 @@ static int process_ver_ack(struct ldc_channel *lp, struct ldc_version *vp)
static int process_ver_nack(struct ldc_channel *lp, struct ldc_version *vp)
{
struct ldc_version *vap;
struct ldc_packet *p;
unsigned long new_tail;
if ((vp->major == 0 && vp->minor == 0) ||
!(vap = find_by_major(vp->major))) {
if (vp->major == 0 && vp->minor == 0)
return ldc_abort(lp);
} else {
struct ldc_packet *p;
unsigned long new_tail;
p = handshake_compose_ctrl(lp, LDC_INFO, LDC_VERS,
vap = find_by_major(vp->major);
if (!vap)
return ldc_abort(lp);
p = handshake_compose_ctrl(lp, LDC_INFO, LDC_VERS,
vap, sizeof(*vap),
&new_tail);
if (p)
return send_tx_packet(lp, p, new_tail);
else
return ldc_abort(lp);
}
if (!p)
return ldc_abort(lp);
return send_tx_packet(lp, p, new_tail);
}
static int process_version(struct ldc_channel *lp,