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-rw-r--r--kernel/res_counter.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/res_counter.c b/kernel/res_counter.c
index 51dbac6a3633..e791130f85a7 100644
--- a/kernel/res_counter.c
+++ b/kernel/res_counter.c
@@ -186,8 +186,11 @@ int res_counter_memparse_write_strategy(const char *buf,
/* return RES_COUNTER_MAX(unlimited) if "-1" is specified */
if (*buf == '-') {
- res = simple_strtoull(buf + 1, &end, 10);
- if (res != 1 || *end != '\0')
+ int rc = kstrtoull(buf + 1, 10, &res);
+
+ if (rc)
+ return rc;
+ if (res != 1)
return -EINVAL;
*resp = RES_COUNTER_MAX;
return 0;