From 025dfdafe77f20b3890981a394774baab7b9c827 Mon Sep 17 00:00:00 2001 From: Frederik Schwarzer Date: Thu, 16 Oct 2008 19:02:37 +0200 Subject: trivial: fix then -> than typos in comments and documentation - (better, more, bigger ...) then -> (...) than Signed-off-by: Frederik Schwarzer Signed-off-by: Jiri Kosina --- drivers/s390/block/dasd_eer.c | 4 ++-- drivers/s390/char/vmlogrdr.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index 892e2878d61b..f8e05ce98621 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -535,8 +535,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp) eerb->buffer_page_count > INT_MAX / PAGE_SIZE) { kfree(eerb); MESSAGE(KERN_WARNING, "can't open device since module " - "parameter eer_pages is smaller then 1 or" - " bigger then %d", (int)(INT_MAX / PAGE_SIZE)); + "parameter eer_pages is smaller than 1 or" + " bigger than %d", (int)(INT_MAX / PAGE_SIZE)); unlock_kernel(); return -EINVAL; } diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index aabbeb909cc6..d8a2289fcb69 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -427,7 +427,7 @@ static int vmlogrdr_receive_data(struct vmlogrdr_priv_t *priv) buffer = priv->buffer + sizeof(int); } /* - * If the record is bigger then our buffer, we receive only + * If the record is bigger than our buffer, we receive only * a part of it. We can get the rest later. */ if (iucv_data_count > NET_BUFFER_SIZE) @@ -437,7 +437,7 @@ static int vmlogrdr_receive_data(struct vmlogrdr_priv_t *priv) 0, buffer, iucv_data_count, &priv->residual_length); spin_unlock_bh(&priv->priv_lock); - /* An rc of 5 indicates that the record was bigger then + /* An rc of 5 indicates that the record was bigger than * the buffer, which is OK for us. A 9 indicates that the * record was purged befor we could receive it. */ -- cgit v1.2.2 From 73ac36ea14fd18ea3dc057e41b16ff31a3c0bd5a Mon Sep 17 00:00:00 2001 From: Coly Li Date: Wed, 7 Jan 2009 18:09:16 -0800 Subject: fix similar typos to successfull When I review ocfs2 code, find there are 2 typos to "successfull". After doing grep "successfull " in kernel tree, 22 typos found totally -- great minds always think alike :) This patch fixes all the similar typos. Thanks for Randy's ack and comments. Signed-off-by: Coly Li Acked-by: Randy Dunlap Acked-by: Roland Dreier Cc: Jeremy Kerr Cc: Jeff Garzik Cc: Heiko Carstens Cc: Martin Schwidefsky Cc: Theodore Ts'o Cc: Mark Fasheh Cc: Vlad Yasevich Cc: Sridhar Samudrala Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/s390/block/dasd_3990_erp.c | 2 +- drivers/s390/block/dasd_int.h | 2 +- drivers/s390/char/tape_3590.c | 2 +- drivers/s390/cio/cio.c | 2 +- drivers/s390/cio/qdio_main.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index b8f9c00633f3..d82aad5224f0 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -2621,7 +2621,7 @@ dasd_3990_erp_action(struct dasd_ccw_req * cqr) } } - /* double-check if current erp/cqr was successfull */ + /* double-check if current erp/cqr was successful */ if ((cqr->irb.scsw.cmd.cstat == 0x00) && (cqr->irb.scsw.cmd.dstat == (DEV_STAT_CHN_END | DEV_STAT_DEV_END))) { diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 05a14536c369..4a39084d9c95 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -199,7 +199,7 @@ struct dasd_ccw_req { #define DASD_CQR_ERROR 0x82 /* request is completed with error */ #define DASD_CQR_CLEAR_PENDING 0x83 /* request is clear pending */ #define DASD_CQR_CLEARED 0x84 /* request was cleared */ -#define DASD_CQR_SUCCESS 0x85 /* request was successfull */ +#define DASD_CQR_SUCCESS 0x85 /* request was successful */ /* per dasd_ccw_req flags */ diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 4005c44a404c..71605a179d65 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -801,7 +801,7 @@ tape_3590_done(struct tape_device *device, struct tape_request *request) static inline int tape_3590_erp_succeded(struct tape_device *device, struct tape_request *request) { - DBF_EVENT(3, "Error Recovery successfull for %s\n", + DBF_EVENT(3, "Error Recovery successful for %s\n", tape_op_verbose[request->op]); return tape_3590_done(device, request); } diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 06b71823f399..659f8a791656 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -379,7 +379,7 @@ int cio_commit_config(struct subchannel *sch) if (ccode < 0) /* -EIO if msch gets a program check. */ return ccode; switch (ccode) { - case 0: /* successfull */ + case 0: /* successful */ if (stsch(sch->schid, &schib) || !css_sch_is_valid(&schib)) return -ENODEV; diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 744f928a59ea..10cb0f8726e5 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -114,7 +114,7 @@ static inline int qdio_check_ccq(struct qdio_q *q, unsigned int ccq) * @count: count of buffers to examine * @auto_ack: automatically acknowledge buffers * - * Returns the number of successfull extracted equal buffer states. + * Returns the number of successfully extracted equal buffer states. * Stops processing if a state is different from the last buffers state. */ static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state, -- cgit v1.2.2 From 8403b13c7627df7104e450cbc845627bf25c8cd6 Mon Sep 17 00:00:00 2001 From: Frank Blaschka Date: Thu, 8 Jan 2009 10:50:55 -0800 Subject: qeth: convert to net_device_ops qeth_l2, qeth_l3 convert to net_device_ops. qeth_l3 remove vlan neigh_setup hack since it does not work any longer with the new net_device_ops. Signed-off-by: Frank Blaschka Signed-off-by: David S. Miller --- drivers/s390/net/qeth_l2_main.c | 27 ++++++++++++--------- drivers/s390/net/qeth_l3_main.c | 53 ++++++++++++++--------------------------- 2 files changed, 34 insertions(+), 46 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 21627ba3093b..e873d45f1a71 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -918,6 +918,21 @@ static struct ethtool_ops qeth_l2_osn_ops = { .get_drvinfo = qeth_core_get_drvinfo, }; +static struct net_device_ops qeth_l2_netdev_ops = { + .ndo_open = qeth_l2_open, + .ndo_stop = qeth_l2_stop, + .ndo_get_stats = qeth_get_stats, + .ndo_start_xmit = qeth_l2_hard_start_xmit, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_multicast_list = qeth_l2_set_multicast_list, + .ndo_do_ioctl = qeth_l2_do_ioctl, + .ndo_set_mac_address = qeth_l2_set_mac_address, + .ndo_change_mtu = qeth_change_mtu, + .ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid, + .ndo_tx_timeout = qeth_tx_timeout, +}; + static int qeth_l2_setup_netdev(struct qeth_card *card) { switch (card->info.type) { @@ -939,19 +954,9 @@ static int qeth_l2_setup_netdev(struct qeth_card *card) return -ENODEV; card->dev->ml_priv = card; - card->dev->tx_timeout = &qeth_tx_timeout; card->dev->watchdog_timeo = QETH_TX_TIMEOUT; - card->dev->open = qeth_l2_open; - card->dev->stop = qeth_l2_stop; - card->dev->hard_start_xmit = qeth_l2_hard_start_xmit; - card->dev->do_ioctl = qeth_l2_do_ioctl; - card->dev->get_stats = qeth_get_stats; - card->dev->change_mtu = qeth_change_mtu; - card->dev->set_multicast_list = qeth_l2_set_multicast_list; - card->dev->vlan_rx_kill_vid = qeth_l2_vlan_rx_kill_vid; - card->dev->vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid; - card->dev->set_mac_address = qeth_l2_set_mac_address; card->dev->mtu = card->info.initial_mtu; + card->dev->netdev_ops = &qeth_l2_netdev_ops; if (card->info.type != QETH_CARD_TYPE_OSN) SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops); else diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index cfda1ecffdf2..eeeb35b07296 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -1831,28 +1831,6 @@ static void qeth_l3_vlan_rx_register(struct net_device *dev, static void qeth_l3_vlan_rx_add_vid(struct net_device *dev, unsigned short vid) { - struct net_device *vlandev; - struct qeth_card *card = dev->ml_priv; - struct in_device *in_dev; - - if (card->info.type == QETH_CARD_TYPE_IQD) - return; - - vlandev = vlan_group_get_device(card->vlangrp, vid); - vlandev->neigh_setup = qeth_l3_neigh_setup; - - in_dev = in_dev_get(vlandev); -#ifdef CONFIG_SYSCTL - neigh_sysctl_unregister(in_dev->arp_parms); -#endif - neigh_parms_release(&arp_tbl, in_dev->arp_parms); - - in_dev->arp_parms = neigh_parms_alloc(vlandev, &arp_tbl); -#ifdef CONFIG_SYSCTL - neigh_sysctl_register(vlandev, in_dev->arp_parms, NET_IPV4, - NET_IPV4_NEIGH, "ipv4", NULL, NULL); -#endif - in_dev_put(in_dev); return; } @@ -2918,6 +2896,21 @@ qeth_l3_neigh_setup(struct net_device *dev, struct neigh_parms *np) return 0; } +static struct net_device_ops qeth_l3_netdev_ops = { + .ndo_open = qeth_l3_open, + .ndo_stop = qeth_l3_stop, + .ndo_get_stats = qeth_get_stats, + .ndo_start_xmit = qeth_l3_hard_start_xmit, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_multicast_list = qeth_l3_set_multicast_list, + .ndo_do_ioctl = qeth_l3_do_ioctl, + .ndo_change_mtu = qeth_change_mtu, + .ndo_vlan_rx_register = qeth_l3_vlan_rx_register, + .ndo_vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid, + .ndo_vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid, + .ndo_tx_timeout = qeth_tx_timeout, +}; + static int qeth_l3_setup_netdev(struct qeth_card *card) { if (card->info.type == QETH_CARD_TYPE_OSAE) { @@ -2932,7 +2925,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->dev = alloc_etherdev(0); if (!card->dev) return -ENODEV; - card->dev->neigh_setup = qeth_l3_neigh_setup; + qeth_l3_netdev_ops.ndo_neigh_setup = + qeth_l3_neigh_setup; /*IPv6 address autoconfiguration stuff*/ qeth_l3_get_unique_id(card); @@ -2949,21 +2943,10 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) } else return -ENODEV; - card->dev->hard_start_xmit = qeth_l3_hard_start_xmit; card->dev->ml_priv = card; - card->dev->tx_timeout = &qeth_tx_timeout; card->dev->watchdog_timeo = QETH_TX_TIMEOUT; - card->dev->open = qeth_l3_open; - card->dev->stop = qeth_l3_stop; - card->dev->do_ioctl = qeth_l3_do_ioctl; - card->dev->get_stats = qeth_get_stats; - card->dev->change_mtu = qeth_change_mtu; - card->dev->set_multicast_list = qeth_l3_set_multicast_list; - card->dev->vlan_rx_register = qeth_l3_vlan_rx_register; - card->dev->vlan_rx_add_vid = qeth_l3_vlan_rx_add_vid; - card->dev->vlan_rx_kill_vid = qeth_l3_vlan_rx_kill_vid; card->dev->mtu = card->info.initial_mtu; - card->dev->set_mac_address = NULL; + card->dev->netdev_ops = &qeth_l3_netdev_ops; SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); card->dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | -- cgit v1.2.2 From d41bf2f61d564b64aacdb58a911f99d4b413d492 Mon Sep 17 00:00:00 2001 From: Kamalesh Babulal Date: Fri, 9 Jan 2009 12:14:49 +0100 Subject: [S390] tape block: fix dependencies CC drivers/s390/char/tape_block.o In file included from drivers/s390/char/tape_block.c:24: drivers/s390/char/tape.h:159: warning: 'struct request' declared inside parameter list Adding the dependency of CONFIG_BLOCK to CONFIG_S390_TAPE_BLOCK. Signed-off-by: Kamalesh Babulal Signed-off-by: Martin Schwidefsky --- drivers/s390/char/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/s390') diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig index 643033890e34..0769ced52dbd 100644 --- a/drivers/s390/char/Kconfig +++ b/drivers/s390/char/Kconfig @@ -100,7 +100,7 @@ comment "S/390 tape interface support" config S390_TAPE_BLOCK bool "Support for tape block devices" - depends on S390_TAPE + depends on S390_TAPE && BLOCK help Select this option if you want to access your channel-attached tape devices using the block device interface. This interface is similar -- cgit v1.2.2 From 1301809bcee33c2153605b4387c57fab75f9800a Mon Sep 17 00:00:00 2001 From: Stefan Weinhuber Date: Fri, 9 Jan 2009 12:14:50 +0100 Subject: [S390] dasd: send change uevents for dasd block devices When a DASD device enters or leaves the 'online' state we need to trigger change events for the respective disk and partitions. These extra events are needed because when disk and partitions are first added, udev rules that try to read disk labels or other data may fail as the disk may not yet be ready. Signed-off-by: Stefan Weinhuber Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'drivers/s390') diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 570ae59c1d5e..bd5914994142 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -336,6 +336,9 @@ static int dasd_state_ready_to_online(struct dasd_device * device) { int rc; + struct gendisk *disk; + struct disk_part_iter piter; + struct hd_struct *part; if (device->discipline->ready_to_online) { rc = device->discipline->ready_to_online(device); @@ -343,8 +346,14 @@ dasd_state_ready_to_online(struct dasd_device * device) return rc; } device->state = DASD_STATE_ONLINE; - if (device->block) + if (device->block) { dasd_schedule_block_bh(device->block); + disk = device->block->bdev->bd_disk; + disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0); + while ((part = disk_part_iter_next(&piter))) + kobject_uevent(&part_to_dev(part)->kobj, KOBJ_CHANGE); + disk_part_iter_exit(&piter); + } return 0; } @@ -354,6 +363,9 @@ dasd_state_ready_to_online(struct dasd_device * device) static int dasd_state_online_to_ready(struct dasd_device *device) { int rc; + struct gendisk *disk; + struct disk_part_iter piter; + struct hd_struct *part; if (device->discipline->online_to_ready) { rc = device->discipline->online_to_ready(device); @@ -361,6 +373,13 @@ static int dasd_state_online_to_ready(struct dasd_device *device) return rc; } device->state = DASD_STATE_READY; + if (device->block) { + disk = device->block->bdev->bd_disk; + disk_part_iter_init(&piter, disk, DISK_PITER_INCL_PART0); + while ((part = disk_part_iter_next(&piter))) + kobject_uevent(&part_to_dev(part)->kobj, KOBJ_CHANGE); + disk_part_iter_exit(&piter); + } return 0; } -- cgit v1.2.2 From 13de227bcd80fbdaeebe1f31154487dddb7d5b1e Mon Sep 17 00:00:00 2001 From: Holger Smolinski Date: Fri, 9 Jan 2009 12:14:51 +0100 Subject: [S390] dasd: add device attribute to disable blocking on lost paths When the connection between host and storage server is lost, the dasd device driver usually blocks all I/O on affected devices and waits for them to reappear. In some setups however it would be better if the I/O is returned as error so that device can be recovered by some other means, eg. in a raid or multipath setup. Signed-off-by: Holger Smolinski Signed-off-by: Stefan Weinhuber Signed-off-by: Martin Schwidefsky --- drivers/s390/block/dasd_devmap.c | 48 ++++++++++++++++++++++++++++++++++++++++ drivers/s390/block/dasd_diag.c | 3 ++- drivers/s390/block/dasd_eckd.c | 3 ++- drivers/s390/block/dasd_fba.c | 3 ++- 4 files changed, 54 insertions(+), 3 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 2ef25731d197..300e28a531f8 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -206,6 +206,8 @@ dasd_feature_list(char *str, char **endp) features |= DASD_FEATURE_USEDIAG; else if (len == 6 && !strncmp(str, "erplog", 6)) features |= DASD_FEATURE_ERPLOG; + else if (len == 8 && !strncmp(str, "failfast", 8)) + features |= DASD_FEATURE_FAILFAST; else { MESSAGE(KERN_WARNING, "unsupported feature: %*s, " @@ -666,6 +668,51 @@ dasd_device_from_cdev(struct ccw_device *cdev) * SECTION: files in sysfs */ +/* + * failfast controls the behaviour, if no path is available + */ +static ssize_t dasd_ff_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct dasd_devmap *devmap; + int ff_flag; + + devmap = dasd_find_busid(dev->bus_id); + if (!IS_ERR(devmap)) + ff_flag = (devmap->features & DASD_FEATURE_FAILFAST) != 0; + else + ff_flag = (DASD_FEATURE_DEFAULT & DASD_FEATURE_FAILFAST) != 0; + return snprintf(buf, PAGE_SIZE, ff_flag ? "1\n" : "0\n"); +} + +static ssize_t dasd_ff_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct dasd_devmap *devmap; + int val; + char *endp; + + devmap = dasd_devmap_from_cdev(to_ccwdev(dev)); + if (IS_ERR(devmap)) + return PTR_ERR(devmap); + + val = simple_strtoul(buf, &endp, 0); + if (((endp + 1) < (buf + count)) || (val > 1)) + return -EINVAL; + + spin_lock(&dasd_devmap_lock); + if (val) + devmap->features |= DASD_FEATURE_FAILFAST; + else + devmap->features &= ~DASD_FEATURE_FAILFAST; + if (devmap->device) + devmap->device->features = devmap->features; + spin_unlock(&dasd_devmap_lock); + return count; +} + +static DEVICE_ATTR(failfast, 0644, dasd_ff_show, dasd_ff_store); + /* * readonly controls the readonly status of a dasd */ @@ -1020,6 +1067,7 @@ static struct attribute * dasd_attrs[] = { &dev_attr_use_diag.attr, &dev_attr_eer_enabled.attr, &dev_attr_erplog.attr, + &dev_attr_failfast.attr, NULL, }; diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 7844461a995b..ef2a56952054 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -544,7 +544,8 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, } cqr->retries = DIAG_MAX_RETRIES; cqr->buildclk = get_clock(); - if (blk_noretry_request(req)) + if (blk_noretry_request(req) || + block->base->features & DASD_FEATURE_FAILFAST) set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); cqr->startdev = memdev; cqr->memdev = memdev; diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index bd2c52e20762..bdb87998f364 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1700,7 +1700,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev, recid++; } } - if (blk_noretry_request(req)) + if (blk_noretry_request(req) || + block->base->features & DASD_FEATURE_FAILFAST) set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); cqr->startdev = startdev; cqr->memdev = startdev; diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 7d442aeff3d1..f1d176021694 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -355,7 +355,8 @@ static struct dasd_ccw_req *dasd_fba_build_cp(struct dasd_device * memdev, recid++; } } - if (blk_noretry_request(req)) + if (blk_noretry_request(req) || + block->base->features & DASD_FEATURE_FAILFAST) set_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags); cqr->startdev = memdev; cqr->memdev = memdev; -- cgit v1.2.2 From 19cdd08ba155dd87ebb87bb39ed097dbee671e0e Mon Sep 17 00:00:00 2001 From: Jan Glauber Date: Fri, 9 Jan 2009 12:14:55 +0100 Subject: [S390] qdio: fix broken pointer in case of CONFIG_DEBUG_FS is disabled If CONFIG_DEBUG_FS is disabled debugfs_create_file returns -ENODEV instead of zero. Since the return value is stored and used at shutdown to remove existing entries an OOPS may be triggered. Add a check of the debugfs_create_file return value and in case of an error set the entry to NULL so it will be ignored at shutdown. Signed-off-by: Jan Glauber Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio_debug.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/s390') diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index f8a3b6967f69..da7afb04e71f 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -169,6 +169,8 @@ static void setup_debugfs_entry(struct qdio_q *q, struct ccw_device *cdev) q->nr); debugfs_queues[i] = debugfs_create_file(name, S_IFREG | S_IRUGO | S_IWUSR, debugfs_root, q, &debugfs_fops); + if (IS_ERR(debugfs_queues[i])) + debugfs_queues[i] = NULL; } void qdio_setup_debug_entries(struct qdio_irq *irq_ptr, struct ccw_device *cdev) -- cgit v1.2.2