From: Shradha Shah <redacted>
Date: Fri, 29 May 2015 12:25:54 +0100

From: Daniel Pieczko <redacted>

When Rx packet data must be dropped, all the buffers
associated with that Rx packet must be freed. Extend
and rename efx_free_rx_buffer() to efx_free_rx_buffers()
and loop through all the fragments.
By doing so this patch fixes a possible memory leak.

Signed-off-by: Shradha Shah <redacted>

Applied, thanks.