summaryrefslogtreecommitdiff
path: root/drivers/pci/endpoint/functions
diff options
context:
space:
mode:
authorKishon Vijay Abraham I <kishon@ti.com>2021-02-01 22:57:56 +0300
committerBjorn Helgaas <bhelgaas@google.com>2021-02-23 23:10:40 +0300
commit0e27aeccfa3d1bab7c6a29fb8e6fcedbad7b09a8 (patch)
tree4518aeb2b4be9f104191fe47d2a0779e8cea439e /drivers/pci/endpoint/functions
parentfa8fef0e104a23efe568b835d9e7e188d1d97610 (diff)
downloadlinux-0e27aeccfa3d1bab7c6a29fb8e6fcedbad7b09a8.tar.xz
PCI: endpoint: Make *_free_bar() to return error codes on failure
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>
Diffstat (limited to 'drivers/pci/endpoint/functions')
-rw-r--r--drivers/pci/endpoint/functions/pci-epf-test.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index e4e51d884553..7a1f3abfde48 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -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);
}