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s390/qeth: add phys_to_virt() translation for AOB 

Data addresses in the AOB are absolute, and need to be translated before
being fed into kmem_cache_free(). Currently this phys_to_virt() is a no-op.
Also see commit 2db01da8d2 ("s390/qdio: fill SBALEs with absolute addresses").

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2020-03-18 13:54:53 +01:00 committed by David S. Miller
parent 54e73b9c0a
commit 86e7a4e4af
1 changed files with 4 additions and 3 deletions
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7
drivers/s390/net/qeth_core_main.c
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@ -538,9 +538,10 @@ static void qeth_qdio_handle_aob(struct qeth_card *card,
for (i = 0;
i < aob->sb_count && i < QETH_MAX_BUFFER_ELEMENTS(card);
i++) {
if (aob->sba[i] && buffer->is_header[i])
kmem_cache_free(qeth_core_header_cache,
(void *) aob->sba[i]);
void *data = phys_to_virt(aob->sba[i]);
if (data && buffer->is_header[i])
kmem_cache_free(qeth_core_header_cache, data);
}
atomic_set(&buffer->state, QETH_QDIO_BUF_HANDLED_DELAYED);