+ usb-elan-ftdi-check-for-driver-registration-status.patch added to -mm tree

+ usb-elan-ftdi-check-for-driver-registration-status.patch added to -mm tree

[akpm]

The patch titled
     USB Elan FTDI: check for driver registration status
has been added to the -mm tree.  Its filename is
     usb-elan-ftdi-check-for-driver-registration-status.patch

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

------------------------------------------------------
Subject: USB Elan FTDI: check for driver registration status
From: Cyrill Gorcunov <gorcunov@gmail.com>

Add checking of driver registration status and if it fails release
allocated resources.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/usb/misc/ftdi-elan.c |   37 ++++++++++++++++++++-------------
 1 file changed, 23 insertions(+), 14 deletions(-)

diff -puN drivers/usb/misc/ftdi-elan.c~usb-elan-ftdi-check-for-driver-registration-status drivers/usb/misc/ftdi-elan.c
--- a/drivers/usb/misc/ftdi-elan.c~usb-elan-ftdi-check-for-driver-registration-status
+++ a/drivers/usb/misc/ftdi-elan.c
@@ -2909,27 +2909,36 @@ static int __init ftdi_elan_init(void)
         init_MUTEX(&ftdi_module_lock);
         INIT_LIST_HEAD(&ftdi_static_list);
         status_queue = create_singlethread_workqueue("ftdi-status-control");
-	if (!status_queue)
-		goto err1;
         command_queue = create_singlethread_workqueue("ftdi-command-engine");
-	if (!command_queue)
-		goto err2;
         respond_queue = create_singlethread_workqueue("ftdi-respond-engine");
-	if (!respond_queue)
-		goto err3;
+	if (!status_queue || !command_queue || !respond_queue) {
+		printk(KERN_ERR "%s couldn't create workqueue\n",
+		       ftdi_elan_driver.name);
+		result = -ENOMEM;
+		goto err;
+	}
         result = usb_register(&ftdi_elan_driver);
-        if (result)
+        if (result) {
                 printk(KERN_ERR "usb_register failed. Error number %d\n",
 		       result);
+		goto err;
+	}
         return result;
 
- err3:
-	destroy_workqueue(command_queue);
- err2:
-	destroy_workqueue(status_queue);
- err1:
-	printk(KERN_ERR "%s couldn't create workqueue\n", ftdi_elan_driver.name);
-	return -ENOMEM;
+ err:
+	if (status_queue) {
+		destroy_workqueue(status_queue);
+		status_queue = NULL;
+	}
+	if (command_queue) {
+		destroy_workqueue(command_queue);
+		command_queue = NULL;
+	}
+	if (respond_queue) {
+		destroy_workqueue(respond_queue);
+		respond_queue = NULL;
+	}
+	return result;
 }
 
 static void __exit ftdi_elan_exit(void)
_

Patches currently in -mm which might be from gorcunov@gmail.com are

origin.patch
git-kbuild.patch
sun3-3x-lance-trivial-fix-improved.patch
usb-elan-ftdi-check-for-driver-registration-status.patch
cris-check-for-memory-allocation.patch