From: Daeseok Youn <daeseok.youn@gmail.com>
Date: Tue, 1 Apr 2014 10:15:59 +0000 (+0900)
Subject: xen: fix memory leak in __xen_pcibk_add_pci_dev()
X-Git-Tag: firefly_0821_release~176^2~3920^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=cea37f87519ca3172a4e8ddd3ffcd2b4232b341f;p=firefly-linux-kernel-4.4.55.git

xen: fix memory leak in __xen_pcibk_add_pci_dev()

It need to free dev_entry when it failed to assign to a new
slot on the virtual PCI bus.

smatch says:
 drivers/xen/xen-pciback/vpci.c:142 __xen_pcibk_add_pci_dev() warn:
possible memory leak of 'dev_entry'

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
---

diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c
index 3165ce361b00..51afff96c515 100644
--- a/drivers/xen/xen-pciback/vpci.c
+++ b/drivers/xen/xen-pciback/vpci.c
@@ -137,6 +137,8 @@ unlock:
 	/* Publish this device. */
 	if (!err)
 		err = publish_cb(pdev, 0, 0, PCI_DEVFN(slot, func), devid);
+	else
+		kfree(dev_entry);
 
 out:
 	return err;