ath6kl: remove unnecessary check for NULL skb
dev_kfree_skb kernel API itself takes for checking for NULL skb, so an explicit check is not required. Signed-off-by: NMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: NKalle Valo <kvalo@qca.qualcomm.com>
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