lkml.org 
[lkml]   [2020]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] usb: gadget: net2272: skip BAR1 on error handling paths in probe
Date
net2272_rdk1_probe() skips "i == 1" (BAR1) during allocation of
resources. The patch does this on error hanling paths as well.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
---
drivers/usb/gadget/udc/net2272.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 928057b206f1..639631d44b00 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2370,6 +2370,8 @@ net2272_rdk1_probe(struct pci_dev *pdev, struct net2272 *dev)

err:
while (--i >= 0) {
+ if (i == 1)
+ continue; /* BAR1 unused */
iounmap(mem_mapped_addr[i]);
release_mem_region(pci_resource_start(pdev, i),
pci_resource_len(pdev, i));
--
2.16.4
\
 
 \ /
  Last update: 2020-07-15 18:40    [W:1.049 / U:1.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site