diff options
| -rw-r--r-- | drivers/hwtracing/intel_th/msu.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c index 3c793bbf6ab2..d9d6022c5aca 100644 --- a/drivers/hwtracing/intel_th/msu.c +++ b/drivers/hwtracing/intel_th/msu.c @@ -1112,12 +1112,11 @@ static ssize_t intel_th_msc_read(struct file *file, char __user *buf, size = msc->nr_pages << PAGE_SHIFT; if (!size) - return 0; + goto put_count; - if (off >= size) { - len = 0; + if (off >= size) goto put_count; - } + if (off + len >= size) len = size - off; |