This is a note to let you know that I've just added the patch titled
usb: phy: am335x-control: check return value of
to the 3.19-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:
usb-phy-am335x-control-check-return-value-of.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From d0f347d62814ec0f599a05c61c5619d5e999e4ae Mon Sep 17 00:00:00 2001
From: David Dueck <[email protected]>
Date: Sun, 8 Feb 2015 16:29:30 +0100
Subject: usb: phy: am335x-control: check return value of
bus_find_device
From: David Dueck <[email protected]>
commit d0f347d62814ec0f599a05c61c5619d5e999e4ae upstream.
This fixes a potential null pointer dereference.
Fixes: d4332013919a ("driver core: dev_get_drvdata: Don't check for NULL dev")
Acked-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: David Dueck <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/phy/phy-am335x-control.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/phy/phy-am335x-control.c
+++ b/drivers/usb/phy/phy-am335x-control.c
@@ -126,6 +126,9 @@ struct phy_control *am335x_get_phy_contr
return NULL;
dev = bus_find_device(&platform_bus_type, NULL, node, match);
+ if (!dev)
+ return NULL;
+
ctrl_usb = dev_get_drvdata(dev);
if (!ctrl_usb)
return NULL;
Patches currently in stable-queue which might be from
[email protected] are
queue-3.19/usb-phy-am335x-control-check-return-value-of.patch
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