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PCI: endpoint: pci-epf-vntb: Return -ENOENT if pci_epc_get_next_free_bar() fails

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According the function documentation of epf_ntb_init_epc_bar(), the
function should return an error code on error. However, it returns -1 when
no BAR is available i.e., when pci_epc_get_next_free_bar() fails.

Return -ENOENT instead.

Fixes: e35f56bb03 ("PCI: endpoint: Support NTB transfer between RC and EP")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
[mani: changed err code to -ENOENT]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20250603-pci-vntb-bar-mapping-v2-1-fc685a22ad28@baylibre.com
This commit is contained in:
Jerome Brunet 2025-06-03 19:03:38 +02:00 committed by Manivannan Sadhasivam
parent 19272b37aa
commit 7ea488cce7
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/endpoint/functions/pci-epf-vntb.c
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@ -680,7 +680,7 @@ static int epf_ntb_init_epc_bar(struct epf_ntb *ntb)
barno = pci_epc_get_next_free_bar(epc_features, barno);
if (barno < 0) {
dev_err(dev, "Fail to get NTB function BAR\n");
return barno;
return -ENOENT;
}
ntb->epf_ntb_bar[bar] = barno;
}