https://github.com/torvalds/linux
Revision eef24afb28561a5a9f4be8f8da97735b7e6a826f authored by Rob Herring on 14 September 2011, 16:31:37 UTC, committed by Thomas Gleixner on 20 September 2011, 10:16:22 UTC
The sanity check in irq_domain_add() tests desc->irq_data != NULL or irq_data->domain != NULL. This prevents adding an irq_domain to a irq descriptor when irq_data exists, which true when the irq descriptor exists. This went unnoticed so far as the simple domain code did not enter this code path because domain->nr_irqs is always 0 for the simple domains. Split the check for irq_data == NULL out and have a separate warning for it. [ tglx: Made the check for irq_data == NULL separate ] Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: marc.zyngier@arm.com Cc: thomas.abraham@linaro.org Cc: jamie@jamieiles.com Cc: b-cousson@ti.com Cc: shawn.guo@linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree-discuss@lists.ozlabs.org Link: http://lkml.kernel.org/r/1316017900-19918-3-git-send-email-robherring2@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
1 parent 5bd078d
Tip revision: eef24afb28561a5a9f4be8f8da97735b7e6a826f authored by Rob Herring on 14 September 2011, 16:31:37 UTC
irq: Fix check for already initialized irq_domain in irq_domain_add
irq: Fix check for already initialized irq_domain in irq_domain_add
Tip revision: eef24af
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