Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 101230
b: refs/heads/master
c: 6c60bd8
h: refs/heads/master
v: v3
  • Loading branch information
Bartlomiej Zolnierkiewicz committed Jul 15, 2008
1 parent ad0a7f0 commit 499f895
Show file tree
Hide file tree
Showing 2 changed files with 12 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: c04bbc812b05b304a9118687d0e0a47e35f00d1d
refs/heads/master: 6c60bd8ea7aa536d67830bc8384ef0ebdfb8aad4
17 changes: 11 additions & 6 deletions trunk/drivers/scsi/ide-scsi.c
Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,15 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
printk(KERN_ERR "ide-scsi: CoD != 0 in idescsi_pc_intr\n");
return ide_do_reset (drive);
}
if (ireason & IO) {
if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) {
/* Hopefully, we will never get here */
printk(KERN_ERR "%s: We wanted to %s, but the device wants us "
"to %s!\n", drive->name,
(ireason & IO) ? "Write" : "Read",
(ireason & IO) ? "Read" : "Write");
return ide_do_reset(drive);
}
if (!(pc->flags & PC_FLAG_WRITING)) {
temp = pc->xferred + bcount;
if (temp > pc->req_xfer) {
if (temp > pc->buf_size) {
Expand All @@ -436,7 +444,6 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
"- discarding data\n");
temp = pc->buf_size - pc->xferred;
if (temp) {
pc->flags &= ~PC_FLAG_WRITING;
if (pc->sg)
idescsi_input_buffers(drive, pc,
temp);
Expand All @@ -457,15 +464,11 @@ static ide_startstop_t idescsi_pc_intr (ide_drive_t *drive)
printk (KERN_NOTICE "ide-scsi: The scsi wants to send us more data than expected - allowing transfer\n");
#endif /* IDESCSI_DEBUG_LOG */
}
}
if (ireason & IO) {
pc->flags &= ~PC_FLAG_WRITING;
if (pc->sg)
idescsi_input_buffers(drive, pc, bcount);
else
hwif->input_data(drive, NULL, pc->cur_pos, bcount);
} else {
pc->flags |= PC_FLAG_WRITING;
if (pc->sg)
idescsi_output_buffers(drive, pc, bcount);
else
Expand Down Expand Up @@ -777,6 +780,8 @@ static int idescsi_queue (struct scsi_cmnd *cmd,

memset (pc->c, 0, 12);
pc->flags = 0;
if (cmd->sc_data_direction == DMA_TO_DEVICE)
pc->flags |= PC_FLAG_WRITING;
pc->rq = rq;
memcpy (pc->c, cmd->cmnd, cmd->cmd_len);
pc->buf = NULL;
Expand Down

0 comments on commit 499f895

Please sign in to comment.