From: alexander.levin@verizon.com
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: "Gustavo A. R. Silva" <garsilva@embeddedor.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
alexander.levin@verizon.com
Subject: [PATCH AUTOSEL for 4.9 022/100] usb: gadget: udc: remove pointer dereference after free
Date: Wed, 13 Dec 2017 01:56:19 +0000 [thread overview]
Message-ID: <20171213015606.6568-22-alexander.levin@verizon.com> (raw)
In-Reply-To: <20171213015606.6568-1-alexander.levin@verizon.com>
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>
---
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 a97da645c1b9..8a365aad66fe 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;
--
2.11.0
next prev parent reply other threads:[~2017-12-13 2:47 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-13 1:56 [PATCH AUTOSEL for 4.9 001/100] cxl: Route eeh events to all slices for pci_channel_io_perm_failure state alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 002/100] ALSA: hda - add support for docking station for HP 820 G2 alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 004/100] kvm: fix usage of uninit spinlock in avic_vm_destroy() alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 003/100] ALSA: hda - add support for docking station for HP 840 G3 alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 005/100] HID: corsair: support for K65-K70 Rapidfire and Scimitar Pro RGB alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 008/100] arm: kprobes: Align stack to 8-bytes in test code alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 007/100] arm: kprobes: Fix the return address of multiple kretprobes alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 006/100] HID: corsair: Add driver Scimitar Pro RGB gaming mouse 1b1c:1b3e support to hid-corsair alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 010/100] cpuidle: Validate cpu_dev in cpuidle_add_sysfs() alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 011/100] r8152: fix the list rx_done may be used without initialization alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 009/100] nvme-loop: handle cpu unplug when re-establishing the controller alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 014/100] vhost-vsock: add pkt cancel capability alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 012/100] crypto: deadlock between crypto_alg_sem/rtnl_mutex/genl_mutex alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 015/100] vsock: cancel packets when failing to connect alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 013/100] vsock: track pkt owner vsock alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 019/100] net: qmi_wwan: Add USB IDs for MDM6600 modem on Motorola Droid 4 alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 017/100] bna: integer overflow bug in debugfs alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 016/100] sch_dsmark: fix invalid skb_cow() usage alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 018/100] sctp: out_qlen should be updated when pruning unsent queue alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 023/100] netfilter: nfnl_cthelper: fix runtime expectation policy updates alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 020/100] hwmon: (max31790) Set correct PWM value alexander.levin
2017-12-13 1:56 ` alexander.levin [this message]
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 021/100] usb: gadget: f_uvc: Sanity check wMaxPacketSize for SuperSpeed alexander.levin
2017-12-13 1:56 ` [PATCH AUTOSEL for 4.9 024/100] netfilter: nfnl_cthelper: Fix memory leak alexander.levin
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