octeontx2-af: Increment ptp refcount before use

[ Upstream commit 93440f4888cf049dbd22b41aaf94d2e2153b3eb8 ]

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

Fixes: a8b90c9d26d6 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
index 9b8e59f4c206d5f105d85f42bd1a3c6ee7dc3f94..77cb52b80c60f1a5c36a50bc3d48e7861a483e50 100644 (file)
--- a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c
@@ -85,6 +85,8 @@ 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;
 }