forked from Minki/linux
d2e46004c5
When qeth_qdio_handle_aob() frees dangling allocations in the notified TX buffer, there are rare tear-down cases where qeth_drain_output_queue() would later call qeth_clear_output_buffer() for the same buffer - and thus end up walking the buffer a second time to check for dangling kmem_cache allocations. Luckily current code previously scrubs such a buffer, so qeth_clear_output_buffer() would find buf->buffer->element[i].addr as NULL and not do anything. But this is fragile, and we can easily improve it by consistently clearing the ->is_header flag after freeing the allocation. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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