[PATCH -next 3/3] ocfs2: Replaced simple_strtoull() with kstrtoull()

[Chen Huang <chenhuang5@xxxxxxxxxx>]

The simple_strtoull() function is deprecated in some situation since
it does not check for the range overflow, use kstrtoull() instead.

Signed-off-by: Chen Huang <chenhuang5@xxxxxxxxxx>
---
 fs/ocfs2/cluster/heartbeat.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 1169c8dc9106..f89ffcbd585f 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -1596,12 +1596,13 @@ static ssize_t o2hb_region_start_block_store(struct 
config_item *item,
        struct o2hb_region *reg = to_o2hb_region(item);
        unsigned long long tmp;
        char *p = (char *)page;
+       ssize_t ret;
 
        if (reg->hr_bdev)
                return -EINVAL;
 
-       tmp = simple_strtoull(p, &p, 0);
-       if (!p || (*p && (*p != '\n')))
+       ret = kstrtoull(p, 0, &tmp);
+       if (ret)
                return -EINVAL;
 
        reg->hr_start_block = tmp;
-- 
2.25.1