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i40e: update comment explaining where FDIR buffers are freed

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The original comment implies that the only location where the raw_packet
buffer will be freed is in i40e_clean_tx_ring() which is incorrect. In
fact this isn't even the normal case. Update the comment explaining
where the memory is freed.

Change-ID: Ie0defc35ed1c3af183f81fdc60b6d783707a5595
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jacob Keller 2017-02-09 23:44:27 -08:00 • committed by Jeff Kirsher
parent 9b37c93731
commit a158aeaf5b
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/intel/i40e/i40e_txrx.c
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@ -432,7 +432,12 @@ unsupported_flow:
ret = -EINVAL;
}
/* The buffer allocated here is freed by the i40e_clean_tx_ring() */
/* The buffer allocated here will be normally be freed by
* i40e_clean_fdir_tx_irq() as it reclaims resources after transmit
* completion. In the event of an error adding the buffer to the FDIR
* ring, it will immediately be freed. It may also be freed by
* i40e_clean_tx_ring() when closing the VSI.
*/
return ret;
}