ath6kl: Check for valid endpoint ID values in ath6kl_control_tx()

It's safe to check endpoint id values before it get
really used. Found this on code review.

Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
1 file changed