simple_strtoul() has caveat and is obsolete, use kstrtoul() instead in mmcg. Signed-off-by: Keren Sun <kerensun@xxxxxxxxxx> --- mm/memcontrol-v1.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c index 5e1854623824..260b356cea5a 100644 --- a/mm/memcontrol-v1.c +++ b/mm/memcontrol-v1.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-or-later +#include "linux/kstrtox.h" #include <linux/memcontrol.h> #include <linux/swap.h> #include <linux/mm_inline.h> @@ -1922,17 +1923,15 @@ static ssize_t memcg_write_event_control(struct kernfs_open_file *of, buf = strstrip(buf); - efd = simple_strtoul(buf, &endp, 10); - if (*endp != ' ') + kstrtoul(buf, 10, efd); + if (*buf != ' ') return -EINVAL; - buf = endp + 1; + buf++; - cfd = simple_strtoul(buf, &endp, 10); - if (*endp == '\0') - buf = endp; - else if (*endp == ' ') - buf = endp + 1; - else + kstrtoul(buf, 10, cfd); + if (*buf == ' ') + buf++; + else if (*buf != '\0') return -EINVAL; event = kzalloc(sizeof(*event), GFP_KERNEL); -- 2.47.0.163.g1226f6d8fa-goog