From 7def4e621b7c65b4a3740a554dcbc807e23b1c19 Mon Sep 17 00:00:00 2001
From: Thirupathaiah Annapureddy <thiruan@linux.microsoft.com>
Date: Mon, 17 Aug 2020 17:31:08 -0700
Subject: [PATCH] include: phy: fix NULL pointer check in phy_write()
phy_write() uses bus->write() instead of bus->read(). This means NULL
pointer pre-check needs to happen on bus->write instead of bus->read.
Signed-off-by: Thirupathaiah Annapureddy <thiruan@linux.microsoft.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
---
include/phy.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/phy.h b/include/phy.h
index 1dbbf65111..cbdb10d6fc 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -205,7 +205,7 @@ static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
{
struct mii_dev *bus = phydev->bus;
- if (!bus || !bus->read) {
+ if (!bus || !bus->write) {
debug("%s: No bus configured\n", __func__);
return -1;
}
--
2.39.5