From: Nicholas Bellinger <n...@linux-iscsi.org> This patch adds a handful of bugfixes for scsi-generic that where added into:
commit a4194b3f79a85e111f000788ddec05d465748851 Author: Hannes Reinecke <h...@suse.de> Date: Mon Nov 22 15:39:33 2010 -0800 scsi: Use 'SCSIRequest' directly this includes: *) Fix incorrect errno usage in switch() statement within scsi_command_complete() *) Remove bogus scsi_command_complete() for residual case within scsi_read_complete() *) Remove incorrect '-' sign from return in scsi_send_command() Tested with .37-rc2 TCM_Loop FILEIO backstores on KVM host into Debian Lenny v2.6.26 KVM guest with an xfs filesystem mount. Signed-off-by: Nicholas A. Bellinger n...@linux-iscsi.org> --- hw/scsi-generic.c | 14 ++++++-------- 1 files changed, 6 insertions(+), 8 deletions(-) diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c index 7d30115..dc277cc 100644 --- a/hw/scsi-generic.c +++ b/hw/scsi-generic.c @@ -146,13 +146,13 @@ static void scsi_command_complete(void *opaque, int ret) if (ret != 0) { switch(ret) { - case ENODEV: + case -ENODEV: s->senselen = scsi_set_sense(s, SENSE_CODE(LUN_NOT_SUPPORTED)); break; - case EINVAL: + case -EINVAL: s->senselen = scsi_set_sense(s, SENSE_CODE(INVALID_FIELD)); break; - case EBADR: + case -EBADR: s->senselen = scsi_set_sense(s, SENSE_CODE(TARGET_FAILURE)); break; default: @@ -230,12 +230,10 @@ static void scsi_read_complete(void * opaque, int ret) return; } len = r->io_header.dxfer_len - r->io_header.resid; - DPRINTF("Data ready tag=0x%x len=%d\n", r->req.tag, len); + DPRINTF("Data ready tag=0x%x remaining len=%d\n", r->req.tag, len); r->len = -1; r->req.bus->complete(&r->req, SCSI_REASON_DATA, len); - if (len == 0) - scsi_command_complete(r, 0); } /* Read more data from scsi device into buffer. */ @@ -375,7 +373,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd) } scsi_req_fixup(&r->req); - DPRINTF("Command: lun=%d tag=0x%x len %zd data=0x%02x", lun, tag, + DPRINTF("Command: lun=%d tag=0x%x len %zd data=0x%02x", req->lun, req->tag, r->req.cmd.xfer, cmd[0]); #ifdef DEBUG_SCSI @@ -414,7 +412,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd) r->len = r->req.cmd.xfer; if (r->req.cmd.mode == SCSI_XFER_TO_DEV) { r->len = 0; - return -r->req.cmd.xfer; + return r->req.cmd.xfer; } return r->req.cmd.xfer; -- 1.5.6.5