Messages in this thread Patch in this message | | | From | minyard@acm ... | Subject | [PATCH 2/4] ipmi/of: Don't use unavailable interfaces | Date | Mon, 6 Oct 2014 14:17:51 -0500 |
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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
If an IPMI controller is used by the firmware and as such marked with a reserved status, we shouldn't use it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Corey Minyard <cminyard@mvista.com> --- drivers/char/ipmi/ipmi_si_intf.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 5d66568..4fc8931 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2658,6 +2658,9 @@ static int ipmi_probe(struct platform_device *dev) if (!match) return -EINVAL; + if (!of_device_is_available(np)) + return -EINVAL; + ret = of_address_to_resource(np, 0, &resource); if (ret) { dev_warn(&dev->dev, PFX "invalid address from OF\n"); -- 1.8.3.1
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