From: Frank Pavlic Date: Tue, 13 Dec 2005 07:21:47 +0000 (+0100) Subject: [PATCH] s390: some minor qeth driver fixes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6c6b3e7c4f93d330b920e6531b579b1f6bae5ac1;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git [PATCH] s390: some minor qeth driver fixes [patch 1/3] s390: some minor qeth driver fixes From: Frank Pavlic - let's have just one function for both ,input and output queue to check qdio errors - add /proc/s390dbf/qeth_qerr entries for outbound processing - check removed for layer2 device in qeth_add_multicast_ipv6 - NULL pointer dereference with bonding and VLAN device fixed - minimum length check for portname fixed Signed-off-by: Frank Pavlic diffstat: qeth_main.c | 42 +++++++++++++++++++++--------------------- qeth_sys.c | 6 +++--- 2 files changed, 24 insertions(+), 24 deletions(-) Signed-off-by: Jeff Garzik --- diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c index 99cceb242ec..5d2d548e542 100644 --- a/drivers/s390/net/qeth_main.c +++ b/drivers/s390/net/qeth_main.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_main.c ($Revision: 1.242 $) + * linux/drivers/s390/net/qeth_main.c ($Revision: 1.246 $) * * Linux on zSeries OSA Express and HiperSockets support * @@ -72,7 +72,7 @@ #include "qeth_eddp.h" #include "qeth_tso.h" -#define VERSION_QETH_C "$Revision: 1.242 $" +#define VERSION_QETH_C "$Revision: 1.246 $" static const char *version = "qeth S/390 OSA-Express driver"; /** @@ -2203,24 +2203,21 @@ qeth_ulp_setup(struct qeth_card *card) } static inline int -qeth_check_for_inbound_error(struct qeth_qdio_buffer *buf, - unsigned int qdio_error, - unsigned int siga_error) +qeth_check_qdio_errors(struct qdio_buffer *buf, unsigned int qdio_error, + unsigned int siga_error, const char *dbftext) { - int rc = 0; - if (qdio_error || siga_error) { - QETH_DBF_TEXT(trace, 2, "qdinerr"); - QETH_DBF_TEXT(qerr, 2, "qdinerr"); + QETH_DBF_TEXT(trace, 2, dbftext); + QETH_DBF_TEXT(qerr, 2, dbftext); QETH_DBF_TEXT_(qerr, 2, " F15=%02X", - buf->buffer->element[15].flags & 0xff); + buf->element[15].flags & 0xff); QETH_DBF_TEXT_(qerr, 2, " F14=%02X", - buf->buffer->element[14].flags & 0xff); + buf->element[14].flags & 0xff); QETH_DBF_TEXT_(qerr, 2, " qerr=%X", qdio_error); QETH_DBF_TEXT_(qerr, 2, " serr=%X", siga_error); - rc = 1; + return 1; } - return rc; + return 0; } static inline struct sk_buff * @@ -2769,8 +2766,9 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, for (i = first_element; i < (first_element + count); ++i) { index = i % QDIO_MAX_BUFFERS_PER_Q; buffer = &card->qdio.in_q->bufs[index]; - if (!((status == QDIO_STATUS_LOOK_FOR_ERROR) && - qeth_check_for_inbound_error(buffer, qdio_err, siga_err))) + if (!((status & QDIO_STATUS_LOOK_FOR_ERROR) && + qeth_check_qdio_errors(buffer->buffer, + qdio_err, siga_err,"qinerr"))) qeth_process_inbound_buffer(card, buffer, index); /* clear buffer and give back to hardware */ qeth_put_buffer_pool_entry(card, buffer->pool_entry); @@ -2785,12 +2783,13 @@ qeth_qdio_input_handler(struct ccw_device * ccwdev, unsigned int status, static inline int qeth_handle_send_error(struct qeth_card *card, struct qeth_qdio_out_buffer *buffer, - int qdio_err, int siga_err) + unsigned int qdio_err, unsigned int siga_err) { int sbalf15 = buffer->buffer->element[15].flags & 0xff; int cc = siga_err & 3; QETH_DBF_TEXT(trace, 6, "hdsnderr"); + qeth_check_qdio_errors(buffer->buffer, qdio_err, siga_err, "qouterr"); switch (cc) { case 0: if (qdio_err){ @@ -3047,7 +3046,8 @@ qeth_qdio_output_handler(struct ccw_device * ccwdev, unsigned int status, for(i = first_element; i < (first_element + count); ++i){ buffer = &queue->bufs[i % QDIO_MAX_BUFFERS_PER_Q]; /*we only handle the KICK_IT error by doing a recovery */ - if (qeth_handle_send_error(card, buffer, qdio_error, siga_error) + if (qeth_handle_send_error(card, buffer, + qdio_error, siga_error) == QETH_SEND_ERROR_KICK_IT){ netif_stop_queue(card->dev); qeth_schedule_recovery(card); @@ -3289,7 +3289,6 @@ qeth_init_qdio_info(struct qeth_card *card) card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count; INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list); INIT_LIST_HEAD(&card->qdio.init_pool.entry_list); - /* outbound */ } static int @@ -3731,6 +3730,9 @@ qeth_verify_vlan_dev(struct net_device *dev, struct qeth_card *card) break; } } + if (rc && !(VLAN_DEV_INFO(dev)->real_dev->priv == (void *)card)) + return 0; + #endif return rc; } @@ -5870,10 +5872,8 @@ qeth_add_multicast_ipv6(struct qeth_card *card) struct inet6_dev *in6_dev; QETH_DBF_TEXT(trace,4,"chkmcv6"); - if ((card->options.layer2 == 0) && - (!qeth_is_supported(card, IPA_IPV6)) ) + if (!qeth_is_supported(card, IPA_IPV6)) return ; - in6_dev = in6_dev_get(card->dev); if (in6_dev == NULL) return; diff --git a/drivers/s390/net/qeth_sys.c b/drivers/s390/net/qeth_sys.c index ddd6019ba09..80925964eb7 100644 --- a/drivers/s390/net/qeth_sys.c +++ b/drivers/s390/net/qeth_sys.c @@ -1,6 +1,6 @@ /* * - * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.58 $) + * linux/drivers/s390/net/qeth_sys.c ($Revision: 1.59 $) * * Linux on zSeries OSA Express and HiperSockets support * This file contains code related to sysfs. @@ -20,7 +20,7 @@ #include "qeth_mpc.h" #include "qeth_fs.h" -const char *VERSION_QETH_SYS_C = "$Revision: 1.58 $"; +const char *VERSION_QETH_SYS_C = "$Revision: 1.59 $"; /*****************************************************************************/ /* */ @@ -160,7 +160,7 @@ qeth_dev_portname_store(struct device *dev, struct device_attribute *attr, const return -EPERM; tmp = strsep((char **) &buf, "\n"); - if ((strlen(tmp) > 8) || (strlen(tmp) < 2)) + if ((strlen(tmp) > 8) || (strlen(tmp) == 0)) return -EINVAL; card->info.portname[0] = strlen(tmp);