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Remove unnecessary comparison.

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Found by:	PVS-Studio
This commit is contained in:
Pyun YongHyeon 2017-04-14 02:33:26 +00:00
parent 857b699d7e
commit 90b45a3200
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=316806
1 changed files with 9 additions and 12 deletions
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21
sys/dev/fxp/if_fxp.c
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@ -2212,18 +2212,15 @@ fxp_stop(struct fxp_softc *sc)
* Release any xmit buffers.
*/
txp = sc->fxp_desc.tx_list;
if (txp != NULL) {
for (i = 0; i < FXP_NTXCB; i++) {
if (txp[i].tx_mbuf != NULL) {
bus_dmamap_sync(sc->fxp_txmtag, txp[i].tx_map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->fxp_txmtag,
txp[i].tx_map);
m_freem(txp[i].tx_mbuf);
txp[i].tx_mbuf = NULL;
/* clear this to reset csum offload bits */
txp[i].tx_cb->tbd[0].tb_addr = 0;
}
for (i = 0; i < FXP_NTXCB; i++) {
if (txp[i].tx_mbuf != NULL) {
bus_dmamap_sync(sc->fxp_txmtag, txp[i].tx_map,
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->fxp_txmtag, txp[i].tx_map);
m_freem(txp[i].tx_mbuf);
txp[i].tx_mbuf = NULL;
/* clear this to reset csum offload bits */
txp[i].tx_cb->tbd[0].tb_addr = 0;
}
}
bus_dmamap_sync(sc->cbl_tag, sc->cbl_map,