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Commit 8668f9a5 authored by YueHaibing's avatar YueHaibing Committed by Kalle Valo
Browse files

atmel: use memdup_user to simplify the code 



use existing memdup_user() helper function instead of open-coding

Signed-off-by: default avatarYueHaibing <yuehaibing@huawei.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 2d1e9be0

drivers/net/wireless/atmel/atmel.c

+3 −8
Original line number Diff line number Diff line
@@ -2646,14 +2646,9 @@ static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) 
			break;

		}



		if (!(new_firmware = kmalloc(com.len, GFP_KERNEL))) {

			rc = -ENOMEM;

			break;

		}



		if (copy_from_user(new_firmware, com.data, com.len)) {

			kfree(new_firmware);

			rc = -EFAULT;

		new_firmware = memdup_user(com.data, com.len);

		if (IS_ERR(new_firmware)) {

			rc = PTR_ERR(new_firmware);

			break;

		}