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PCI: aardvark: Fix return value of MSI domain .alloc() method 

MSI domain callback .alloc() (implemented by advk_msi_irq_domain_alloc()
function) should return zero on success, since non-zero value indicates
failure.

When the driver was converted to generic MSI API in commit f21a8b1b68
("PCI: aardvark: Move to MSI handling using generic MSI support"), it
was converted so that it returns hwirq number.

Fix this.

Link: https://lore.kernel.org/r/20211028185659.20329-3-kabel@kernel.org
Fixes: f21a8b1b68 ("PCI: aardvark: Move to MSI handling using generic MSI support")
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Marek Behún 2021-10-28 20:56:54 +02:00 committed by Lorenzo Pieralisi
parent 7a41ae80bd
commit e4313be159
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/controller/pci-aardvark.c
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@ -1138,7 +1138,7 @@ static int advk_msi_irq_domain_alloc(struct irq_domain *domain,
domain->host_data, handle_simple_irq,
NULL, NULL);
return hwirq;
return 0;
}
static void advk_msi_irq_domain_free(struct irq_domain *domain,