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-rw-r--r--kernel/power/disk.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index b5f0543ed84d..f445b9cd60fb 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -416,7 +416,8 @@ static ssize_t disk_store(struct kset *kset, const char *buf, size_t n)
mutex_lock(&pm_mutex);
for (i = HIBERNATION_FIRST; i <= HIBERNATION_MAX; i++) {
- if (!strncmp(buf, hibernation_modes[i], len)) {
+ if (len == strlen(hibernation_modes[i])
+ && !strncmp(buf, hibernation_modes[i], len)) {
mode = i;
break;
}