[PATCH 2/5] irq: fix existing domain check in irq_domain_add
Thomas Gleixner
tglx at linutronix.de
Wed Sep 14 12:44:50 EDT 2011
On Wed, 14 Sep 2011, Rob Herring wrote:
> From: Rob Herring <rob.herring at calxeda.com>
>
> irq_data will normally exist, so the domain was prevented from being set.
> The simple domain code did not hit this as nr_irq is always 0.
>
> Signed-off-by: Rob Herring <rob.herring at calxeda.com>
> Cc: Grant Likely <grant.likely at secretlab.ca>
> Cc: Thomas Gleixner <tglx at linutronix.de>
I take this and 1/5 through irq/urgent
Thanks,
tglx
> ---
> kernel/irq/irqdomain.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
> index d5828da..84f4110 100644
> --- a/kernel/irq/irqdomain.c
> +++ b/kernel/irq/irqdomain.c
> @@ -29,7 +29,7 @@ void irq_domain_add(struct irq_domain *domain)
> */
> for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
> d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
> - if (d || d->domain) {
> + if (d && d->domain) {
> /* things are broken; just report, don't clean up */
> WARN(1, "error: irq_desc already assigned to a domain");
> return;
> --
> 1.7.5.4
>
>
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