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    SubjectRe: [PATCH v2] Broadcom CNIC core network driver: fix mem leak on allocation failures in cnic_alloc_uio_rings()
    From: Jesper Juhl <>
    Date: Sun, 26 Dec 2010 21:57:39 +0100 (CET)

    > We are leaking memory in drivers/net/cnic.c::cnic_alloc_uio_rings() if
    > either of the calls to dma_alloc_coherent() fail. This patch fixes it by
    > freeing both the memory allocated with kzalloc() and memory allocated with
    > previous calls to dma_alloc_coherent() when there's a failure.
    > Thanks to Joe Perches <> for suggesting a better
    > implementation than my initial version.
    > Signed-off-by: Jesper Juhl <>

    > + err_dma:
    > + dma_free_coherent(&udev->pdev->dev, udev->l2_ring_size,
    > + udev->l2_ring, udev->l2_ring_map);

    Space before tab in indentation, improperly positioned third argument

    I fixed all of this up, but please do not skimp on making sure these
    details are taken care of when updating your patch in response to feedback.


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