From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
To: gregkh@linuxfoundation.org, balbi@kernel.org,
andriy.shevchenko@linux.intel.com, bhelgaas@google.com,
heikki.krogerus@linux.intel.com, mail@iagoabal.eu,
mina86@mina86.com
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] drivers: usb: gadget: udc: remove pointer dereference after free
Date: Wed, 8 Feb 2017 13:15:49 -0600 [thread overview]
Message-ID: <20170208191549.GA3998@embeddedgus> (raw)
Remove pointer dereference and write after free.
Addresses-Coverity-ID: 1091173
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
drivers/usb/gadget/udc/pch_udc.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index a97da64..8a365aa 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -1523,7 +1523,6 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev,
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;
--
2.5.0
next reply other threads:[~2017-02-08 21:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-08 19:15 Gustavo A. R. Silva [this message]
2017-02-08 19:37 ` [PATCH] drivers: usb: gadget: udc: remove pointer dereference after free Andy Shevchenko
2017-02-08 21:33 ` Gustavo A. R. Silva
2017-02-11 17:07 ` [PATCH v2] " Gustavo A. R. Silva
2017-02-13 16:02 ` Michal Nazarewicz
2017-02-14 4:50 ` Gustavo A. R. Silva
2017-02-14 4:53 ` [PATCH v3] " Gustavo A. R. Silva
2017-03-10 11:35 ` Felipe Balbi
2017-03-10 21:20 ` Gustavo A. R. Silva
2017-03-10 21:39 ` [PATCH v4] " Gustavo A. R. Silva
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