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Subject[PATCH AUTOSEL for 3.18 07/40] usb: gadget: udc: remove pointer dereference after free
Date
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 ccbe3d4a2a50..190b7103ae62 100644
--- 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(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
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