From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Fri, 7 Jan 2022 06:30:29 +0000 (+0530)
Subject: octeontx2-af: Increment ptp refcount before use
X-Git-Tag: baikal/aarch64/sdk6.1~4966^2^2~7^2~1
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=2af0b1ed90a8bed07b15b775a140d6ecbea22746;p=kernel.git

octeontx2-af: Increment ptp refcount before use

Before using the ptp pci device by AF driver increment
the reference count of it.

Fixes: be9ca1d73770 ("octeontx2-af: Add PTP device id for CN10K and 95O silcons")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
index d6321de3cc171..e682b7bfde640 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
@@ -60,6 +60,8 @@ struct ptp *ptp_get(void)
 	/* Check driver is bound to PTP block */
 	if (!ptp)
 		ptp = ERR_PTR(-EPROBE_DEFER);
+	else
+		pci_dev_get(ptp->pdev);
 
 	return ptp;
 }