This is a note to let you know that I've just added the patch titled
phy: tegra: xusb: check return value of devm_kzalloc()
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
phy-tegra-xusb-check-return-value-of-devm_kzalloc.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8637ddd8383dc9ffc1fee7d1f52cf61a6ce290b2
Author: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Date: Wed May 31 10:39:50 2023 +0300
phy: tegra: xusb: check return value of devm_kzalloc()
[ Upstream commit 44faada0f38fc333d392af04c343b0e23f8f5d81 ]
devm_kzalloc() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).
Fixes: f67213cee2b3 ("phy: tegra: xusb: Add usb-role-switch support")
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxxxxxx>
Acked-by: Thierry Reding <treding@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230531073950.145339-1-claudiu.beznea@xxxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index c3fa22ee2d8d4..4d5b4071d47d5 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -670,6 +670,9 @@ static int tegra_xusb_setup_usb_role_switch(struct tegra_xusb_port *port)
port->dev.driver = devm_kzalloc(&port->dev,
sizeof(struct device_driver),
GFP_KERNEL);
+ if (!port->dev.driver)
+ return -ENOMEM;
+
port->dev.driver->owner = THIS_MODULE;
port->usb_role_sw = usb_role_switch_register(&port->dev,
