This is a note to let you know that I've just added the patch titled usb: ehci-mxc: check for pdata before dereferencing to the 3.4-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-ehci-mxc-check-for-pdata-before-dereferencing.patch and it can be found in the queue-3.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From f375fc520d4df0cd9fcb570f33c103c6c0311f9e Mon Sep 17 00:00:00 2001 From: Daniel Mack <zonque@xxxxxxxxx> Date: Wed, 21 Aug 2013 11:17:21 +0200 Subject: usb: ehci-mxc: check for pdata before dereferencing From: Daniel Mack <zonque@xxxxxxxxx> commit f375fc520d4df0cd9fcb570f33c103c6c0311f9e upstream. Commit 7e8d5cd93fac ("USB: Add EHCI support for MX27 and MX31 based boards") introduced code that could potentially lead to a NULL pointer dereference on driver removal. Fix this by checking for the value of pdata before dereferencing it. Signed-off-by: Daniel Mack <zonque@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/ehci-mxc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -298,7 +298,7 @@ static int __exit ehci_mxc_drv_remove(st if (pdata && pdata->exit) pdata->exit(pdev); - if (pdata->otg) + if (pdata && pdata->otg) usb_phy_shutdown(pdata->otg); usb_remove_hcd(hcd); Patches currently in stable-queue which might be from zonque@xxxxxxxxx are queue-3.4/usb-ehci-mxc-check-for-pdata-before-dereferencing.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html