Patch "usb: gadget: udc: remove pointer dereference after free" has been added to the 3.18-stable tree

Patch "usb: gadget: udc: remove pointer dereference after free" has been added to the 3.18-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    usb: gadget: udc: remove pointer dereference after free

to the 3.18-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-gadget-udc-remove-pointer-dereference-after-free.patch
and it can be found in the queue-3.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Dec 21 10:55:04 CET 2017
From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Date: Fri, 10 Mar 2017 15:39:32 -0600
Subject: usb: gadget: udc: remove pointer dereference after free

From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>


[ Upstream commit 1f459262b0e1649a1e5ad12fa4c66eb76c2220ce ]

Remove pointer dereference after free.

Addresses-Coverity-ID: 1091173
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/gadget/udc/pch_udc.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -1533,7 +1533,6 @@ static void pch_udc_free_dma_chain(struc
 		td = phys_to_virt(addr);
 		addr2 = (dma_addr_t)td->next;
 		pci_pool_free(dev->data_requests, td, addr);
-		td->next = 0x00;
 		addr = addr2;
 	}
 	req->chain_len = 1;


Patches currently in stable-queue which might be from garsilva@embeddedor.com are

queue-3.18/usb-gadget-udc-remove-pointer-dereference-after-free.patch