diff options
| author | Mark Brown <broonie@kernel.org> | 2018-07-18 13:38:30 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-07-18 13:38:30 +0100 |
| commit | 9cffeb019816c7ab0fa608f87206284fc9d456c0 (patch) | |
| tree | aa568df84dcf3f23fc8c884fc813695314c7ffe3 /kernel | |
| parent | 090a338aafb432a57da9fa8d8bd068bd7abaacf8 (diff) | |
| parent | 4ce754f07d8d83a84ec49470007e111f7af6f7be (diff) | |
Merge branch 'linux-linaro-lsk-v4.9' into linux-linaro-lsk-v4.9-android
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/power/user.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/power/user.c b/kernel/power/user.c index 35310b627388..bc6dde1f1567 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -186,6 +186,11 @@ static ssize_t snapshot_write(struct file *filp, const char __user *buf, res = PAGE_SIZE - pg_offp; } + if (!data_of(data->handle)) { + res = -EINVAL; + goto unlock; + } + res = simple_write_to_buffer(data_of(data->handle), res, &pg_offp, buf, count); if (res > 0) |