OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

irq: check domain hwirq range for DT translate 

A DT node may have more than 1 domain associated with it, so make sure
the hwirq number is within range when doing DT translation.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Rob Herring 2011-12-12 09:59:14 -06:00
parent 3ecdd05152
commit 93797d87d6
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
kernel/irq/irqdomain.c
View File

@ -135,6 +135,9 @@ int irq_domain_simple_dt_translate(struct irq_domain *d,
return -EINVAL;
if (intsize < 1)
return -EINVAL;
if (d->nr_irq && ((intspec[0] < d->hwirq_base) ||
(intspec[0] >= d->hwirq_base + d->nr_irq)))
return -EINVAL;
*out_hwirq = intspec[0];
*out_type = IRQ_TYPE_NONE;