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-rw-r--r--kernel/power/disk.c3
-rw-r--r--kernel/power/main.c4
2 files changed, 4 insertions, 3 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;
}
diff --git a/kernel/power/main.c b/kernel/power/main.c
index b98b80ccf437..8812985f3029 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -290,13 +290,13 @@ static ssize_t state_store(struct kset *kset, const char *buf, size_t n)
len = p ? p - buf : n;
/* First, check if we are requested to hibernate */
- if (!strncmp(buf, "disk", len)) {
+ if (len == 4 && !strncmp(buf, "disk", len)) {
error = hibernate();
return error ? error : n;
}
for (s = &pm_states[state]; state < PM_SUSPEND_MAX; s++, state++) {
- if (*s && !strncmp(buf, *s, len))
+ if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
break;
}
if (state < PM_SUSPEND_MAX && *s)