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-rw-r--r--fs/dlm/config.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index 76feb4b60fa6..d521bddf876d 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -157,11 +157,13 @@ static ssize_t cluster_set(struct dlm_cluster *cl, unsigned int *cl_field,
const char *buf, size_t len)
{
unsigned int x;
+ int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
-
- x = simple_strtoul(buf, NULL, 0);
+ rc = kstrtouint(buf, 0, &x);
+ if (rc)
+ return rc;
if (check_zero && !x)
return -EINVAL;
@@ -730,7 +732,10 @@ static ssize_t comm_nodeid_read(struct dlm_comm *cm, char *buf)
static ssize_t comm_nodeid_write(struct dlm_comm *cm, const char *buf,
size_t len)
{
- cm->nodeid = simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &cm->nodeid);
+
+ if (rc)
+ return rc;
return len;
}
@@ -742,7 +747,10 @@ static ssize_t comm_local_read(struct dlm_comm *cm, char *buf)
static ssize_t comm_local_write(struct dlm_comm *cm, const char *buf,
size_t len)
{
- cm->local= simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &cm->local);
+
+ if (rc)
+ return rc;
if (cm->local && !local_comm)
local_comm = cm;
return len;
@@ -846,7 +854,10 @@ static ssize_t node_nodeid_write(struct dlm_node *nd, const char *buf,
size_t len)
{
uint32_t seq = 0;
- nd->nodeid = simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &nd->nodeid);
+
+ if (rc)
+ return rc;
dlm_comm_seq(nd->nodeid, &seq);
nd->comm_seq = seq;
return len;
@@ -860,7 +871,10 @@ static ssize_t node_weight_read(struct dlm_node *nd, char *buf)
static ssize_t node_weight_write(struct dlm_node *nd, const char *buf,
size_t len)
{
- nd->weight = simple_strtol(buf, NULL, 0);
+ int rc = kstrtoint(buf, 0, &nd->weight);
+
+ if (rc)
+ return rc;
return len;
}