diff options
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index a4d3f70c3d29..b338a09175ad 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -832,7 +832,7 @@ static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf, u16 cmdid; int rc, rc1; - if (cmdlen <= 0) + if (cmdlen < 0) return -EINVAL; wmi = kmalloc(len, GFP_KERNEL); @@ -845,7 +845,7 @@ static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf, return rc; } - cmd = &wmi[1]; + cmd = (cmdlen > 0) ? &wmi[1] : NULL; cmdid = le16_to_cpu(wmi->command_id); rc1 = wmi_send(wil, cmdid, cmd, cmdlen); |