diff options
| author | Linux Build Service Account <lnxbuild@quicinc.com> | 2017-05-25 15:51:58 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-05-25 15:51:57 -0700 |
| commit | fafa9a46ebe640fd25026f562656be88872896fb (patch) | |
| tree | 3b0f860931d6c4b065df15e6f13f2d8d5e83a92c | |
| parent | f95c3de80faf4a1689cd5819d9bc3411c80aec7e (diff) | |
| parent | aa9b48f2b413e2f5432fc5d34488e19660fc6e70 (diff) | |
Merge "usb : dwc3: Initialize kernel stack variables properly"
| -rw-r--r-- | drivers/usb/dwc3/debugfs.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 20ac60d6b6a8..940d163788a8 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -401,7 +401,7 @@ static ssize_t dwc3_mode_write(struct file *file, struct dwc3 *dwc = s->private; unsigned long flags; u32 mode = 0; - char buf[32]; + char buf[32] = {}; if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) return -EFAULT; @@ -481,7 +481,7 @@ static ssize_t dwc3_testmode_write(struct file *file, struct dwc3 *dwc = s->private; unsigned long flags; u32 testmode = 0; - char buf[32]; + char buf[32] = {}; if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) return -EFAULT; @@ -588,7 +588,7 @@ static ssize_t dwc3_link_state_write(struct file *file, struct dwc3 *dwc = s->private; unsigned long flags; enum dwc3_link_state state = 0; - char buf[32]; + char buf[32] = {}; if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) return -EFAULT; @@ -629,12 +629,10 @@ static ssize_t dwc3_store_ep_num(struct file *file, const char __user *ubuf, { struct seq_file *s = file->private_data; struct dwc3 *dwc = s->private; - char kbuf[10]; + char kbuf[10] = {}; unsigned int num, dir, temp; unsigned long flags; - memset(kbuf, 0, 10); - if (copy_from_user(kbuf, ubuf, count > 10 ? 10 : count)) return -EFAULT; |