diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/aha152x.c | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index d7ca86f9d1f..cf49ed58476 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -552,14 +552,11 @@ struct aha152x_hostdata { struct aha152x_scdata { Scsi_Cmnd *next; /* next sc in queue */ struct completion *done;/* semaphore to block on */ - unsigned char cmd_len; - unsigned char cmnd[MAX_COMMAND_SIZE]; - unsigned short use_sg; - unsigned request_bufflen; - void *request_buffer; + unsigned char aha_orig_cmd_len; + unsigned char aha_orig_cmnd[MAX_COMMAND_SIZE]; + int aha_orig_resid; }; - /* access macros for hostdata */ #define HOSTDATA(shpnt) ((struct aha152x_hostdata *) &shpnt->hostdata) @@ -997,20 +994,11 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete, return FAILED; } } else { - struct aha152x_scdata *sc; - SCpnt->host_scribble = kmalloc(sizeof(struct aha152x_scdata), GFP_ATOMIC); if(SCpnt->host_scribble==0) { printk(ERR_LEAD "allocation failed\n", CMDINFO(SCpnt)); return FAILED; } - - sc = SCDATA(SCpnt); - memcpy(sc->cmnd, SCpnt->cmnd, sizeof(sc->cmnd)); - sc->request_buffer = SCpnt->request_buffer; - sc->request_bufflen = SCpnt->request_bufflen; - sc->use_sg = SCpnt->use_sg; - sc->cmd_len = SCpnt->cmd_len; } SCNEXT(SCpnt) = NULL; @@ -1023,10 +1011,16 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete, SCp.buffers_residual : left buffers in list SCp.phase : current state of the command */ - if(phase & resetting) { - SCpnt->SCp.ptr = NULL; - SCpnt->SCp.this_residual = 0; - SCpnt->resid = 0; + if (phase & (check_condition|resetting)) { + if (phase & check_condition) { + SCpnt->SCp.ptr = SCpnt->sense_buffer; + SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer); + SCpnt->resid = sizeof(SCpnt->sense_buffer); + } else { + SCpnt->SCp.ptr = NULL; + SCpnt->SCp.this_residual = 0; + SCpnt->resid = 0; + } SCpnt->SCp.buffer = NULL; SCpnt->SCp.buffers_residual = 0; } else { @@ -1568,11 +1562,9 @@ static void busfree_run(struct Scsi_Host *shpnt) #endif /* restore old command */ - memcpy(cmd->cmnd, sc->cmnd, sizeof(sc->cmnd)); - cmd->request_buffer = sc->request_buffer; - cmd->request_bufflen = sc->request_bufflen; - cmd->use_sg = sc->use_sg; - cmd->cmd_len = sc->cmd_len; + memcpy(cmd->cmnd, sc->aha_orig_cmnd, sizeof(cmd->cmnd)); + cmd->cmd_len = sc->aha_orig_cmd_len; + cmd->resid = sc->aha_orig_resid; cmd->SCp.Status = SAM_STAT_CHECK_CONDITION; @@ -1588,12 +1580,22 @@ static void busfree_run(struct Scsi_Host *shpnt) #endif if(!(DONE_SC->SCp.phase & not_issued)) { + struct aha152x_scdata *sc; Scsi_Cmnd *ptr = DONE_SC; DONE_SC=NULL; #if 0 DPRINTK(debug_eh, ERR_LEAD "requesting sense\n", CMDINFO(ptr)); #endif + /* save old command */ + sc = SCDATA(ptr); + /* It was allocated in aha152x_internal_queue? */ + BUG_ON(!sc); + memcpy(sc->aha_orig_cmnd, ptr->cmnd, + sizeof(ptr->cmnd)); + sc->aha_orig_cmd_len = ptr->cmd_len; + sc->aha_orig_resid = ptr->resid; + ptr->cmnd[0] = REQUEST_SENSE; ptr->cmnd[1] = 0; ptr->cmnd[2] = 0; @@ -1601,10 +1603,7 @@ static void busfree_run(struct Scsi_Host *shpnt) ptr->cmnd[4] = sizeof(ptr->sense_buffer); ptr->cmnd[5] = 0; ptr->cmd_len = 6; - ptr->use_sg = 0; - ptr->request_buffer = ptr->sense_buffer; - ptr->request_bufflen = sizeof(ptr->sense_buffer); - + DO_UNLOCK(flags); aha152x_internal_queue(ptr, NULL, check_condition, ptr->scsi_done); DO_LOCK(flags); |