diff options
| author | Geliang Tang <geliangtang@gmail.com> | 2017-05-06 23:42:19 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2017-05-19 10:53:06 +0300 |
| commit | 9a49290919e1787ced66dcca055712338a9ee888 (patch) | |
| tree | 785cded023aa42e205c41069de0d103910af176b /drivers/net/wireless | |
| parent | 8fed6823e06e43ee9cf7c0ffecec2f9111ce6201 (diff) | |
wil6210: use memdup_user
Use memdup_user() helper instead of open-coding to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 5648ebbd0e16..5b0f9fc66bb6 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -795,15 +795,11 @@ static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf, struct wireless_dev *wdev = wil_to_wdev(wil); struct cfg80211_mgmt_tx_params params; int rc; - void *frame = kmalloc(len, GFP_KERNEL); + void *frame; - if (!frame) - return -ENOMEM; - - if (copy_from_user(frame, buf, len)) { - kfree(frame); - return -EIO; - } + frame = memdup_user(buf, len); + if (IS_ERR(frame)) + return PTR_ERR(frame); params.buf = frame; params.len = len; |