On Fri, Sep 11, 2009 at 06:21:35PM +0200, Julia Lawall wrote:
>
> Error handling code following a kzalloc should free the allocated data.
Thanks for the report. I'll commit a different patch which adds the buffer
to the buffer list as soon it is allocated. The hdpvr_free_buffers() in the
error handling code will clean it up then. See below:
diff --git a/linux/drivers/media/video/hdpvr/hdpvr-video.c b/linux/drivers/media/video/hdpvr/hdpvr-video.c
--- a/linux/drivers/media/video/hdpvr/hdpvr-video.c
+++ b/linux/drivers/media/video/hdpvr/hdpvr-video.c
@@ -134,6 +134,8 @@
v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n");
goto exit;
}
+ list_add_tail(&buf->buff_list, &dev->free_buff_list);
+
buf->dev = dev;
urb = usb_alloc_urb(0, GFP_KERNEL);
@@ -158,7 +160,6 @@
hdpvr_read_bulk_callback, buf);
buf->status = BUFSTAT_AVAILABLE;
- list_add_tail(&buf->buff_list, &dev->free_buff_list);
}
return 0;
exit:
--
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