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[SCSI] aha152x: stop poking at saved scsi_cmnd members 

Stop poking into the old_ & co scsi_cmnd fields that should only be used
in the EH code.  Untested, but this is required to move ahead with the
EH fixes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig 2006-07-08 20:39:30 +02:00 committed by James Bottomley
parent 4e73ea7b02
commit 5e13cdfa5b
1 changed files with 23 additions and 6 deletions
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29
drivers/scsi/aha152x.c
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@ -551,6 +551,11 @@ struct aha152x_hostdata {
struct aha152x_scdata {
Scsi_Cmnd *next; /* next sc in queue */
struct semaphore *sem; /* semaphore to block on */
unsigned char cmd_len;
unsigned char cmnd[MAX_COMMAND_SIZE];
unsigned short use_sg;
unsigned request_bufflen;
void *request_buffer;
};
@ -1006,11 +1011,20 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct semaphore *sem, int p
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;
@ -1565,6 +1579,9 @@ static void busfree_run(struct Scsi_Host *shpnt)
#endif
if(DONE_SC->SCp.phase & check_condition) {
struct scsi_cmnd *cmd = HOSTDATA(shpnt)->done_SC;
struct aha152x_scdata *sc = SCDATA(cmd);
#if 0
if(HOSTDATA(shpnt)->debug & debug_eh) {
printk(ERR_LEAD "received sense: ", CMDINFO(DONE_SC));
@ -1573,13 +1590,13 @@ static void busfree_run(struct Scsi_Host *shpnt)
#endif
/* restore old command */
memcpy((void *) DONE_SC->cmnd, (void *) DONE_SC->data_cmnd, sizeof(DONE_SC->data_cmnd));
DONE_SC->request_buffer = DONE_SC->buffer;
DONE_SC->request_bufflen = DONE_SC->bufflen;
DONE_SC->use_sg = DONE_SC->old_use_sg;
DONE_SC->cmd_len = DONE_SC->old_cmd_len;
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;
DONE_SC->SCp.Status = 0x02;
cmd->SCp.Status = 0x02;
HOSTDATA(shpnt)->commands--;
if (!HOSTDATA(shpnt)->commands)