diff options
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_configfs.c')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_configfs.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index 0cedcfe207b5..57b4fd56d92a 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -1137,23 +1137,27 @@ static ssize_t lio_target_wwn_cpus_allowed_list_show( static ssize_t lio_target_wwn_cpus_allowed_list_store( struct config_item *item, const char *page, size_t count) { - int ret; + int ret = -ENOMEM; char *orig; - cpumask_t new_allowed_cpumask; + cpumask_var_t new_allowed_cpumask; + + if (!zalloc_cpumask_var(&new_allowed_cpumask, GFP_KERNEL)) + goto out; orig = kstrdup(page, GFP_KERNEL); if (!orig) - return -ENOMEM; + goto out_free_cpumask; - cpumask_clear(&new_allowed_cpumask); - ret = cpulist_parse(orig, &new_allowed_cpumask); + ret = cpulist_parse(orig, new_allowed_cpumask); + if (!ret) + cpumask_copy(iscsit_global->allowed_cpumask, + new_allowed_cpumask); kfree(orig); - if (ret != 0) - return ret; - - cpumask_copy(iscsit_global->allowed_cpumask, &new_allowed_cpumask); - return count; +out_free_cpumask: + free_cpumask_var(new_allowed_cpumask); +out: + return ret ? ret : count; } CONFIGFS_ATTR(lio_target_wwn_, cpus_allowed_list); |