Commit e8366bba authored by Haowen Bai's avatar Haowen Bai Committed by Kalle Valo
Browse files

ipw2x00: Fix potential NULL dereference in libipw_xmit() 



crypt and crypt->ops could be null, so we need to checking null
before dereference

Signed-off-by: default avatarHaowen Bai <baihaowen@meizu.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/1648797055-25730-1-git-send-email-baihaowen@meizu.com
parent 11800d89

drivers/net/wireless/intel/ipw2x00/libipw_tx.c

+1 −1
Original line number Diff line number Diff line
@@ -383,7 +383,7 @@ netdev_tx_t libipw_xmit(struct sk_buff *skb, struct net_device *dev) 


		/* Each fragment may need to have room for encryption

		 * pre/postfix */

		if (host_encrypt)

		if (host_encrypt && crypt && crypt->ops)

			bytes_per_frag -= crypt->ops->extra_mpdu_prefix_len +

			    crypt->ops->extra_mpdu_postfix_len;