diff options
Diffstat (limited to 'drivers/infiniband/core/cma_configfs.c')
| -rw-r--r-- | drivers/infiniband/core/cma_configfs.c | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/drivers/infiniband/core/cma_configfs.c b/drivers/infiniband/core/cma_configfs.c index 8b0b5ae22e4c..7b68b3ea979f 100644 --- a/drivers/infiniband/core/cma_configfs.c +++ b/drivers/infiniband/core/cma_configfs.c @@ -30,7 +30,6 @@ * SOFTWARE. */ -#include <linux/module.h> #include <linux/configfs.h> #include <rdma/ib_verbs.h> #include <rdma/rdma_cm.h> @@ -43,7 +42,7 @@ struct cma_device; struct cma_dev_group; struct cma_dev_port_group { - unsigned int port_num; + u32 port_num; struct cma_dev_group *cma_dev_group; struct config_group group; }; @@ -94,7 +93,7 @@ static int cma_configfs_params_get(struct config_item *item, static void cma_configfs_params_put(struct cma_device *cma_dev) { - cma_deref_dev(cma_dev); + cma_dev_put(cma_dev); } static ssize_t default_roce_mode_show(struct config_item *item, @@ -115,7 +114,7 @@ static ssize_t default_roce_mode_show(struct config_item *item, if (gid_type < 0) return gid_type; - return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_type)); + return sysfs_emit(buf, "%s\n", ib_cache_gid_type_str(gid_type)); } static ssize_t default_roce_mode_store(struct config_item *item, @@ -123,16 +122,19 @@ static ssize_t default_roce_mode_store(struct config_item *item, { struct cma_device *cma_dev; struct cma_dev_port_group *group; - int gid_type = ib_cache_gid_parse_type_str(buf); + int gid_type; ssize_t ret; - if (gid_type < 0) - return -EINVAL; - ret = cma_configfs_params_get(item, &cma_dev, &group); if (ret) return ret; + gid_type = ib_cache_gid_parse_type_str(buf); + if (gid_type < 0) { + cma_configfs_params_put(cma_dev); + return -EINVAL; + } + ret = cma_set_default_gid_type(cma_dev, group->port_num, gid_type); cma_configfs_params_put(cma_dev); @@ -156,7 +158,7 @@ static ssize_t default_roce_tos_show(struct config_item *item, char *buf) tos = cma_get_default_roce_tos(cma_dev, group->port_num); cma_configfs_params_put(cma_dev); - return sprintf(buf, "%u\n", tos); + return sysfs_emit(buf, "%u\n", tos); } static ssize_t default_roce_tos_store(struct config_item *item, @@ -197,11 +199,10 @@ static const struct config_item_type cma_port_group_type = { static int make_cma_ports(struct cma_dev_group *cma_dev_group, struct cma_device *cma_dev) { - struct ib_device *ibdev; - unsigned int i; - unsigned int ports_num; struct cma_dev_port_group *ports; - int err; + struct ib_device *ibdev; + u32 ports_num; + u32 i; ibdev = cma_get_ib_dev(cma_dev); @@ -212,10 +213,8 @@ static int make_cma_ports(struct cma_dev_group *cma_dev_group, ports = kcalloc(ports_num, sizeof(*cma_dev_group->ports), GFP_KERNEL); - if (!ports) { - err = -ENOMEM; - goto free; - } + if (!ports) + return -ENOMEM; for (i = 0; i < ports_num; i++) { char port_str[10]; @@ -231,12 +230,7 @@ static int make_cma_ports(struct cma_dev_group *cma_dev_group, } cma_dev_group->ports = ports; - return 0; -free: - kfree(ports); - cma_dev_group->ports = NULL; - return err; } static void release_cma_dev(struct config_item *item) @@ -298,7 +292,7 @@ static struct config_group *make_cma_dev(struct config_group *group, goto fail; } - strlcpy(cma_dev_group->name, name, sizeof(cma_dev_group->name)); + strscpy(cma_dev_group->name, name, sizeof(cma_dev_group->name)); config_group_init_type_name(&cma_dev_group->ports_group, "ports", &cma_ports_group_type); @@ -312,18 +306,31 @@ static struct config_group *make_cma_dev(struct config_group *group, configfs_add_default_group(&cma_dev_group->ports_group, &cma_dev_group->device_group); - cma_deref_dev(cma_dev); + cma_dev_put(cma_dev); return &cma_dev_group->device_group; fail: if (cma_dev) - cma_deref_dev(cma_dev); + cma_dev_put(cma_dev); kfree(cma_dev_group); return ERR_PTR(err); } +static void drop_cma_dev(struct config_group *cgroup, struct config_item *item) +{ + struct config_group *group = + container_of(item, struct config_group, cg_item); + struct cma_dev_group *cma_dev_group = + container_of(group, struct cma_dev_group, device_group); + + configfs_remove_default_groups(&cma_dev_group->ports_group); + configfs_remove_default_groups(&cma_dev_group->device_group); + config_item_put(item); +} + static struct configfs_group_operations cma_subsys_group_ops = { .make_group = make_cma_dev, + .drop_item = drop_cma_dev, }; static const struct config_item_type cma_subsys_type = { |