[PATCH 088/117] Staging: hv: netvsc: Inline the code for free_net_device()
Dan Carpenter
error27 at gmail.com
Sat Jul 16 10:33:42 UTC 2011
On Fri, Jul 15, 2011 at 10:47:16AM -0700, K. Y. Srinivasan wrote:
> -static void free_net_device(struct netvsc_device *device)
> -{
> - WARN_ON(atomic_read(&device->refcnt) != 0);
> - device->dev->ext = NULL;
device->dev->ext points to device. We set it NULL here to prevent
a use after free bug. What prevents that in the new code?
> - kfree(device);
> -}
regards,
dan carpenter
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