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PCI: endpoint: Make *_free_bar() to return error codes on failure

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[ Upstream commit 0e27aeccfa3d1bab7c6a29fb8e6fcedbad7b09a8 ]

Modify pci_epc_get_next_free_bar() and pci_epc_get_first_free_bar() to
return error values if there are no free BARs available.

Link: https://lore.kernel.org/r/20210201195809.7342-5-kishon@ti.com
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Kishon Vijay Abraham I
2021-02-02 01:27:56 +05:30
committed by Greg Kroah-Hartman
parent d98bfd4cc2
commit d5e85b92b4
4 changed files with 13 additions and 10 deletions
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2
drivers/pci/endpoint/functions/pci-epf-test.c
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@@ -834,6 +834,8 @@ static int pci_epf_test_bind(struct pci_epf *epf)
linkup_notifier = epc_features->linkup_notifier;
core_init_notifier = epc_features->core_init_notifier;
test_reg_bar = pci_epc_get_first_free_bar(epc_features);
if (test_reg_bar < 0)
return -EINVAL;
pci_epf_configure_bar(epf, epc_features);
}