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fix for 4.11 rc6

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Merge tag 'for-linus-4.11b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen fix from Juergen Gross:
 "A fix for error path cleanup in the xenbus handler"

* tag 'for-linus-4.11b-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xenbus: remove transaction holder from list before freeing
This commit is contained in:
Linus Torvalds 2017-04-07 09:58:01 -07:00
commit 50bdd7a0c9
1 changed files with 3 additions and 1 deletions
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4
drivers/xen/xenbus/xenbus_dev_frontend.c
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@ -442,8 +442,10 @@ static int xenbus_write_transaction(unsigned msg_type,
return xenbus_command_reply(u, XS_ERROR, "ENOENT");
rc = xenbus_dev_request_and_reply(&u->u.msg, u);
if (rc)
if (rc && trans) {
list_del(&trans->list);
kfree(trans);
}
out:
return rc;