diff options
Diffstat (limited to 'drivers/staging/batman-adv/proc.c')
| -rw-r--r-- | drivers/staging/batman-adv/proc.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c index 0eadc6b48d7..7de60e84bc9 100644 --- a/drivers/staging/batman-adv/proc.c +++ b/drivers/staging/batman-adv/proc.c @@ -63,7 +63,7 @@ static ssize_t proc_interfaces_write(struct file *instance, size_t count, loff_t *data) { char *if_string, *colon_ptr = NULL, *cr_ptr = NULL; - int not_copied = 0, if_num = 0; + int not_copied = 0, if_num = 0, add_success; struct batman_if *batman_if = NULL; if_string = kmalloc(count, GFP_KERNEL); @@ -109,22 +109,17 @@ static ssize_t proc_interfaces_write(struct file *instance, } rcu_read_unlock(); - hardif_add_interface(if_string, if_num); + add_success = hardif_add_interface(if_string, if_num); + if (add_success < 0) + goto end; + + num_ifs = if_num + 1; if ((atomic_read(&module_state) == MODULE_INACTIVE) && (hardif_get_active_if_num() > 0)) activate_module(); - rcu_read_lock(); - if (list_empty(&if_list)) { - rcu_read_unlock(); - goto end; - } - rcu_read_unlock(); - - num_ifs = if_num + 1; return count; - end: kfree(if_string); return count; |