USB: memory leak in iowarrior.c
this is a classical memory leak in the ioctl handler. The buffer is simply
never freed. This fixes it the obvious way.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index fc51207..3bb33f7 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -495,8 +495,8 @@
/* verify that the device wasn't unplugged */
if (!dev->present) {
- mutex_unlock(&dev->mutex);
- return -ENODEV;
+ retval = -ENODEV;
+ goto error_out;
}
dbg("%s - minor %d, cmd 0x%.4x, arg %ld", __func__, dev->minor, cmd,
@@ -579,9 +579,10 @@
retval = -ENOTTY;
break;
}
-
+error_out:
/* unlock the device */
mutex_unlock(&dev->mutex);
+ kfree(buffer);
return retval;
}