diff options
author | Ursula Braun <ursula.braun@de.ibm.com> | 2014-02-24 13:12:06 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-02-25 18:29:02 -0500 |
commit | 22ae27906da3e6f15bf2a55aba3216f717e21671 (patch) | |
tree | 0a62f2e4cef119aaec796930896afcdc72241510 /drivers/s390/net/qeth_core_main.c | |
parent | ipv4: ipv6: better estimate tunnel header cut for correct ufo handling (diff) | |
download | linux-dev-22ae27906da3e6f15bf2a55aba3216f717e21671.tar.xz linux-dev-22ae27906da3e6f15bf2a55aba3216f717e21671.zip |
qeth: postpone freeing of qdio memory
To guarantee that a qdio ccw_device no longer touches the
qdio memory shared with Linux, the qdio ccw_device should
be offline when freeing the qdio memory. Thus this patch
postpones freeing of qdio memory.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/qeth_core_main.c')
-rw-r--r-- | drivers/s390/net/qeth_core_main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index c3a83df07894..795ed61a5496 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1660,7 +1660,6 @@ int qeth_qdio_clear_card(struct qeth_card *card, int use_halt) QDIO_FLAG_CLEANUP_USING_CLEAR); if (rc) QETH_CARD_TEXT_(card, 3, "1err%d", rc); - qdio_free(CARD_DDEV(card)); atomic_set(&card->qdio.state, QETH_QDIO_ALLOCATED); break; case QETH_QDIO_CLEANING: @@ -2605,6 +2604,7 @@ static int qeth_mpc_initialize(struct qeth_card *card) return 0; out_qdio: qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); + qdio_free(CARD_DDEV(card)); return rc; } @@ -4906,9 +4906,11 @@ retry: if (retries < 3) QETH_DBF_MESSAGE(2, "%s Retrying to do IDX activates.\n", dev_name(&card->gdev->dev)); + rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); ccw_device_set_offline(CARD_DDEV(card)); ccw_device_set_offline(CARD_WDEV(card)); ccw_device_set_offline(CARD_RDEV(card)); + qdio_free(CARD_DDEV(card)); rc = ccw_device_set_online(CARD_RDEV(card)); if (rc) goto retriable; @@ -4918,7 +4920,6 @@ retry: rc = ccw_device_set_online(CARD_DDEV(card)); if (rc) goto retriable; - rc = qeth_qdio_clear_card(card, card->info.type != QETH_CARD_TYPE_IQD); retriable: if (rc == -ERESTARTSYS) { QETH_DBF_TEXT(SETUP, 2, "break1"); |