tree f683d7bff3e97ef1e83168390f80c9bf92b3647f
parent b005c9ef5adaf1357b7faa977330eaae18647300
author Julian Wiedmann <jwi@linux.ibm.com> 1615308738 +0100
committer David S. Miller <davem@davemloft.net> 1615335293 -0800

s390/qeth: fix memory leak after failed TX Buffer allocation

When qeth_alloc_qdio_queues() fails to allocate one of the buffers that
back an Output Queue, the 'out_freeoutqbufs' path will free all
previously allocated buffers for this queue. But it misses to free the
half-finished queue struct itself.

Move the buffer allocation into qeth_alloc_output_queue(), and deal with
such errors internally.

Fixes: 0da9581ddb0f ("qeth: exploit asynchronous delivery of storage blocks")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>