[PATCH] Octeontx2-af: Fix missing error code in cgx_probe()

[Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>]

When CGX fails mapping to NIX, set the error code to -ENODEV, currently
err is zero and that is treated as success path.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/aLAdlCg2_Yv7Y-3h@stanley.mountain/
Fixes: d280233fc866 ("Octeontx2-af: Fix NIX X2P calibration failures")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
---
This is based on static analysis with smatch and only compile tested.
---
 drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index d374a4454836..ec0e11c77cbf 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -1981,6 +1981,7 @@ static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	    !is_cgx_mapped_to_nix(pdev->subsystem_device, cgx->cgx_id)) {
 		dev_notice(dev, "CGX %d not mapped to NIX, skipping probe\n",
 			   cgx->cgx_id);
+		err = -ENODEV;
 		goto err_release_regions;
 	}
 
-- 
2.39.3