ST21NFCA_FRAME_TAILROOM 176 drivers/nfc/st21nfca/i2c.c skb_trim(skb, skb->len - ST21NFCA_FRAME_TAILROOM); ST21NFCA_FRAME_TAILROOM 561 drivers/nfc/st21nfca/i2c.c ST21NFCA_FRAME_TAILROOM,