Messages in this thread Patch in this message | | | From | Yang Li <> | Subject | [PATCH -next v2] PCI: hv: Fix an ignored error return from bitmap_find_free_region() | Date | Wed, 12 Jan 2022 08:33:24 +0800 |
| |
An error return from bitmap_find_free_region() is currently ignored and we instead return a completely bogus *hwirq from hv_pci_vec_alloc_device_irq().
Reported-by: Abaci Robot <abaci@linux.alibaba.com> Fixes: c10bdb758ca4 ("PCI: hv: Add arm64 Hyper-V vPCI support") Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> ---
Change in v2: --According to Bjorn's suggestion, the corresponding changes were made. https://lore.kernel.org/lkml/20220111155412.GA142851@bhelgaas/
drivers/pci/controller/pci-hyperv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 26c9c8ec0989..20ea2ee330b8 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -701,7 +701,7 @@ static int hv_pci_vec_alloc_device_irq(struct irq_domain *domain, irq_hw_number_t *hwirq) { struct hv_pci_chip_data *chip_data = domain->host_data; - unsigned int index; + int index; /* Find and allocate region from the SPI bitmap */ mutex_lock(&chip_data->map_lock); -- 2.20.1.7.g153144c
| |