fix case where pidx_last might be used uninitialized

Reviewed by:	sbruno

This commit is contained in:

Matt Macy

2018-05-04 18:59:01 +00:00

parent 1ae4848cd0

commit 8fd222ebb4

1 changed files with 1 additions and 1 deletions

									
										sys/dev/e1000/em_txrx.c
									
		+1
		-1
	
												View File
												
				@@ -401,7 +401,7 @@ em_isc_txd_encap(void *arg, if_pkt_info_t pi)

					 * needs End Of Packet (EOP)

					 * and Report Status (RS)

					 */

					if (txd_flags) {

					if (txd_flags && nsegs) {

						txr->tx_rsq[txr->tx_rs_pidx] = pidx_last;

						DPRINTF(iflib_get_dev(sc->ctx), "setting to RS on %d rs_pidx %d first: %d\n", pidx_last, txr->tx_rs_pidx, first);

						txr->tx_rs_pidx = (txr->tx_rs_pidx+1) & (ntxd-1);