From: Subbaraya Sundeep <sbhatta@marvell.com>
Date: Fri, 7 Jan 2022 12:00:29 +0530
Subject: octeontx2-af: Increment ptp refcount before use
Patch-mainline: v5.17-rc1
Git-commit: 93440f4888cf049dbd22b41aaf94d2e2153b3eb8
References: jsc#SLE-24682
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/marvell/octeontx2/af/ptp.c | 2 ++
1 file changed, 2 insertions(+)
--- 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;
}