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Groups > linux.kernel > #1670118
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [patch 04/55] genirq/msi: Prevent overwriting domain name |
| Date | 2017-06-20 02:20 +0200 |
| Message-ID | <tUf3I-1jp-35@gated-at.bofh.it> (permalink) |
| References | <tUeKl-Xe-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Prevent overwriting an already assigned domain name. Remove the extra check for chip->name, because if domain->name is NULL overwriting it with NULL is not a problem. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- kernel/irq/msi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -274,7 +274,8 @@ struct irq_domain *msi_create_irq_domain domain = irq_domain_create_hierarchy(parent, IRQ_DOMAIN_FLAG_MSI, 0, fwnode, &msi_domain_ops, info); - if (domain && info->chip && info->chip->name) + + if (domain && !domain->name && info->chip) domain->name = info->chip->name; return domain;
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[patch 00/55] genirq: Debuggability, consolidation and managed affinities Thomas Gleixner <tglx@linutronix.de> - 2017-06-20 02:20 +0200
[patch 01/55] x86/apic: Add name to irq chip Thomas Gleixner <tglx@linutronix.de> - 2017-06-20 02:20 +0200
[tip:irq/core] x86/apic: Add name to irq chip tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-22 18:50 +0200
[patch 04/55] genirq/msi: Prevent overwriting domain name Thomas Gleixner <tglx@linutronix.de> - 2017-06-20 02:20 +0200
[tip:irq/core] genirq/msi: Prevent overwriting domain name tip-bot for Thomas Gleixner <tipbot@zytor.com> - 2017-06-22 18:50 +0200
Re: [patch 00/55] genirq: Debuggability, consolidation and managed affinities Christoph Hellwig <hch@lst.de> - 2017-06-20 11:30 +0200
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