d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make sure to check validity of dma maps before destroying.

Browse Source
This commit is contained in:
Pyun YongHyeon 2011-01-13 23:00:28 +00:00
parent ea40bc90e1
commit 9e18005d99
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sys/dev/re/if_re.c
View File

@ -1663,15 +1663,19 @@ re_detach(device_t dev)
/* Destroy all the RX and TX buffer maps */
if (sc->rl_ldata.rl_tx_mtag) {
for (i = 0; i < sc->rl_ldata.rl_tx_desc_cnt; i++)
bus_dmamap_destroy(sc->rl_ldata.rl_tx_mtag,
sc->rl_ldata.rl_tx_desc[i].tx_dmamap);
for (i = 0; i < sc->rl_ldata.rl_tx_desc_cnt; i++) {
if (sc->rl_ldata.rl_tx_desc[i].tx_dmamap)
bus_dmamap_destroy(sc->rl_ldata.rl_tx_mtag,
sc->rl_ldata.rl_tx_desc[i].tx_dmamap);
}
bus_dma_tag_destroy(sc->rl_ldata.rl_tx_mtag);
}
if (sc->rl_ldata.rl_rx_mtag) {
for (i = 0; i < sc->rl_ldata.rl_rx_desc_cnt; i++)
bus_dmamap_destroy(sc->rl_ldata.rl_rx_mtag,
sc->rl_ldata.rl_rx_desc[i].rx_dmamap);
for (i = 0; i < sc->rl_ldata.rl_rx_desc_cnt; i++) {
if (sc->rl_ldata.rl_rx_desc[i].rx_dmamap)
bus_dmamap_destroy(sc->rl_ldata.rl_rx_mtag,
sc->rl_ldata.rl_rx_desc[i].rx_dmamap);
}
if (sc->rl_ldata.rl_rx_sparemap)
bus_dmamap_destroy(sc->rl_ldata.rl_rx_mtag,
sc->rl_ldata.rl_rx_sparemap);