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authorMike Belopuhov <mikeb@cvs.openbsd.org>2016-12-08 19:30:45 +0000
committerMike Belopuhov <mikeb@cvs.openbsd.org>2016-12-08 19:30:45 +0000
commit84cb4833fce0412a2ab40dc70ac8a2d5e41bfcd2 (patch)
tree93bdca8345081890f8d781842a483ea84c7d86cf /sys/dev
parent5ea03fafeebd3aa7fa58bd15a30a918516a74f25 (diff)
Silence scan-build; with prodding from jsg@
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/pv/xbf.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/sys/dev/pv/xbf.c b/sys/dev/pv/xbf.c
index 6a8c22c0b7b..709854cf3a4 100644
--- a/sys/dev/pv/xbf.c
+++ b/sys/dev/pv/xbf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: xbf.c,v 1.5 2016/12/07 21:08:55 mikeb Exp $ */
+/* $OpenBSD: xbf.c,v 1.6 2016/12/08 19:30:44 mikeb Exp $ */
/*
* Copyright (c) 2016 Mike Belopuhov
@@ -403,10 +403,8 @@ xbf_scsi_cmd(struct scsi_xfer *xs)
xbf_scsi_done(xs, XS_DRIVER_STUFFUP);
return;
}
- if (!ISSET(xs->flags, SCSI_POLL))
- return;
- if (xbf_poll_cmd(xs, desc, 1000)) {
+ if (ISSET(xs->flags, SCSI_POLL) && xbf_poll_cmd(xs, desc, 1000)) {
DPRINTF("%s: desc %u timed out\n", sc->sc_dev.dv_xname, desc);
xbf_scsi_done(xs, XS_TIMEOUT);
return;
@@ -424,9 +422,8 @@ xbf_submit_cmd(struct scsi_xfer *xs)
struct scsi_rw_big *rwb;
struct scsi_rw_12 *rw12;
struct scsi_rw_16 *rw16;
- u_int64_t lba;
- u_int32_t nblk;
- uint8_t operation;
+ u_int64_t lba = 0;
+ uint8_t operation = 0;
int mapflags;
int i, desc, error;
@@ -460,19 +457,15 @@ xbf_submit_cmd(struct scsi_xfer *xs)
if (xs->cmdlen == 6) {
rw = (struct scsi_rw *)xs->cmd;
lba = _3btol(rw->addr) & (SRW_TOPADDR << 16 | 0xffff);
- nblk = rw->length ? rw->length : 0x100;
} else if (xs->cmdlen == 10) {
rwb = (struct scsi_rw_big *)xs->cmd;
lba = _4btol(rwb->addr);
- nblk = _2btol(rwb->length);
} else if (xs->cmdlen == 12) {
rw12 = (struct scsi_rw_12 *)xs->cmd;
lba = _4btol(rw12->addr);
- nblk = _4btol(rw12->length);
} else if (xs->cmdlen == 16) {
rw16 = (struct scsi_rw_16 *)xs->cmd;
lba = _8btol(rw16->addr);
- nblk = _4btol(rw16->length);
}
desc = sc->sc_xr_prod & (sc->sc_xr_ndesc - 1);
@@ -560,8 +553,6 @@ xbf_complete_cmd(struct scsi_xfer *xs, int desc)
union xbf_ring_desc *xrd;
bus_dmamap_t map;
uint64_t id;
- int16_t status;
- uint8_t op;
int error;
bus_dmamap_sync(sc->sc_dmat, sc->sc_xr_dma.dma_map, 0,
@@ -579,15 +570,14 @@ xbf_complete_cmd(struct scsi_xfer *xs, int desc)
sc->sc_xs[desc] = NULL;
+ DPRINTF("%s: completing desc %u(%llu) op %u with error %d\n",
+ sc->sc_dev.dv_xname, desc, xrd->xrd_rsp.rsp_id,
+ xrd->xrd_rsp.rsp_op, xrd->xrd_rsp.rsp_status);
+
id = xrd->xrd_rsp.rsp_id;
- op = xrd->xrd_rsp.rsp_op; /* TEMP */
- status = xrd->xrd_rsp.rsp_status; /* TEMP */
memset(xrd, 0, sizeof(*xrd));
xrd->xrd_req.req_id = id;
- DPRINTF("%s: completing desc %u(%llu) op %u with error %d\n",
- sc->sc_dev.dv_xname, desc, id, op, status);
-
xs->resid = 0;
xbf_scsi_done(xs, error);
}
@@ -759,8 +749,6 @@ xbf_init(struct xbf_softc *sc)
char val[32];
int i, error;
- action = "read";
-
prop = "max-ring-page-order";
error = xbf_get_numval(sc, 1, prop, &res);
if (error == 0)