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Make tws(4) use xpt_alloc_ccb()/xpt_free_ccb() instead of malloc/free.

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Reviewed by:	imp
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D26841
This commit is contained in:
Edward Tomasz Napierala 2020-11-23 13:02:23 +00:00
parent 3bd46ad76d
commit cca5be248f
1 changed files with 3 additions and 2 deletions
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5
sys/dev/tws/tws.c
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@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_xpt.h>
MALLOC_DEFINE(M_TWS, "twsbuf", "buffers used by tws driver");
int tws_queue_depth = TWS_MAX_REQS;
@ -412,7 +413,7 @@ tws_detach(device_t dev)
callout_drain(&sc->stats_timer);
free(sc->reqs, M_TWS);
free(sc->sense_bufs, M_TWS);
free(sc->scan_ccb, M_TWS);
xpt_free_ccb(sc->scan_ccb);
if (sc->ioctl_data_mem)
bus_dmamem_free(sc->data_tag, sc->ioctl_data_mem, sc->ioctl_data_map);
if (sc->data_tag)
@ -597,7 +598,7 @@ tws_init(struct tws_softc *sc)
M_WAITOK | M_ZERO);
sc->sense_bufs = malloc(sizeof(struct tws_sense) * tws_queue_depth, M_TWS,
M_WAITOK | M_ZERO);
sc->scan_ccb = malloc(sizeof(union ccb), M_TWS, M_WAITOK | M_ZERO);
sc->scan_ccb = xpt_alloc_ccb();
if (bus_dmamem_alloc(sc->data_tag, (void **)&sc->ioctl_data_mem,
(BUS_DMA_NOWAIT | BUS_DMA_ZERO), &sc->ioctl_data_map)) {
device_printf(sc->tws_dev, "Cannot allocate ioctl data mem\n");