diff options
| -rw-r--r-- | net/core/net-sysfs.c | 28 | ||||
| -rw-r--r-- | net/core/sysctl_net_core.c | 2 |
2 files changed, 8 insertions, 22 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 999341244434..f2aa73bfb0e4 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -614,8 +614,7 @@ static ssize_t show_rps_map(struct netdev_rx_queue *queue, { struct rps_map *map; cpumask_var_t mask; - size_t len = 0; - int i; + int i, len; if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM; @@ -626,17 +625,11 @@ static ssize_t show_rps_map(struct netdev_rx_queue *queue, for (i = 0; i < map->len; i++) cpumask_set_cpu(map->cpus[i], mask); - len += cpumask_scnprintf(buf + len, PAGE_SIZE, mask); - if (PAGE_SIZE - len < 3) { - rcu_read_unlock(); - free_cpumask_var(mask); - return -EINVAL; - } + len = snprintf(buf, PAGE_SIZE, "%*pb\n", cpumask_pr_args(mask)); rcu_read_unlock(); - free_cpumask_var(mask); - len += sprintf(buf + len, "\n"); - return len; + + return len < PAGE_SIZE ? len : -EINVAL; } static ssize_t store_rps_map(struct netdev_rx_queue *queue, @@ -1090,8 +1083,7 @@ static ssize_t show_xps_map(struct netdev_queue *queue, struct xps_dev_maps *dev_maps; cpumask_var_t mask; unsigned long index; - size_t len = 0; - int i; + int i, len; if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) return -ENOMEM; @@ -1117,15 +1109,9 @@ static ssize_t show_xps_map(struct netdev_queue *queue, } rcu_read_unlock(); - len += cpumask_scnprintf(buf + len, PAGE_SIZE, mask); - if (PAGE_SIZE - len < 3) { - free_cpumask_var(mask); - return -EINVAL; - } - + len = snprintf(buf, PAGE_SIZE, "%*pb\n", cpumask_pr_args(mask)); free_cpumask_var(mask); - len += sprintf(buf + len, "\n"); - return len; + return len < PAGE_SIZE ? len : -EINVAL; } static ssize_t store_xps_map(struct netdev_queue *queue, diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index eaa51ddf2368..433424804284 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -155,7 +155,7 @@ write_unlock: rcu_read_unlock(); len = min(sizeof(kbuf) - 1, *lenp); - len = cpumask_scnprintf(kbuf, len, mask); + len = scnprintf(kbuf, len, "%*pb", cpumask_pr_args(mask)); if (!len) { *lenp = 0; goto done; |