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Commit 9a492909 authored by Geliang Tang's avatar Geliang Tang Committed by Kalle Valo
Browse files

wil6210: use memdup_user 



Use memdup_user() helper instead of open-coding to simplify the code.

Signed-off-by: default avatarGeliang Tang <geliangtang@gmail.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 8fed6823

drivers/net/wireless/ath/wil6210/debugfs.c

+4 −8
Original line number Diff line number Diff line
@@ -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;