autofs: use dentry flags to block walks during expire

[cascardo/linux.git] / fs / dlm / lockspace.c

diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 04d6398..f3e7278 100644 (file)
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -35,8 +35,11 @@ static struct task_struct *  scand_task;
 static ssize_t dlm_control_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
        ssize_t ret = len;
-       int n = simple_strtol(buf, NULL, 0);
+       int n;
+       int rc = kstrtoint(buf, 0, &n);
 
+       if (rc)
+               return rc;
        ls = dlm_find_lockspace_local(ls->ls_local_handle);
        if (!ls)
                return -EINVAL;
@@ -57,7 +60,10 @@ static ssize_t dlm_control_store(struct dlm_ls *ls, const char *buf, size_t len)
 
 static ssize_t dlm_event_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
-       ls->ls_uevent_result = simple_strtol(buf, NULL, 0);
+       int rc = kstrtoint(buf, 0, &ls->ls_uevent_result);
+
+       if (rc)
+               return rc;
        set_bit(LSFL_UEVENT_WAIT, &ls->ls_flags);
        wake_up(&ls->ls_uevent_wait);
        return len;
@@ -70,7 +76,10 @@ static ssize_t dlm_id_show(struct dlm_ls *ls, char *buf)
 
 static ssize_t dlm_id_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
-       ls->ls_global_id = simple_strtoul(buf, NULL, 0);
+       int rc = kstrtouint(buf, 0, &ls->ls_global_id);
+
+       if (rc)
+               return rc;
        return len;
 }
 
@@ -81,7 +90,11 @@ static ssize_t dlm_nodir_show(struct dlm_ls *ls, char *buf)
 
 static ssize_t dlm_nodir_store(struct dlm_ls *ls, const char *buf, size_t len)
 {
-       int val = simple_strtoul(buf, NULL, 0);
+       int val;
+       int rc = kstrtoint(buf, 0, &val);
+
+       if (rc)
+               return rc;
        if (val == 1)
                set_bit(LSFL_NODIR, &ls->ls_flags);
        return len;