diff options
| author | Hannes Reinecke <hare@suse.de> | 2013-07-01 15:16:24 +0200 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-08-23 18:34:56 +0200 |
| commit | 87f14e658f664a17dcdb38d3f6ae70642fcdc263 (patch) | |
| tree | 4ccf6e9a3c91c641d0cb6900f217a49f09960451 /drivers/scsi/scsi_error.c | |
| parent | [SCSI] Document enhanced error codes (diff) | |
| download | linux-87f14e658f664a17dcdb38d3f6ae70642fcdc263.tar.xz linux-87f14e658f664a17dcdb38d3f6ae70642fcdc263.zip | |
[SCSI] Set hostbyte status in scsi_check_sense()
We should be modifying the host_byte status in scsi_check_sense()
directly; this saves us to introduce a special return code for
each and every condition.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 21505962f539..7be5229ed3a4 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -228,7 +228,7 @@ static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost, * @scmd: Cmd to have sense checked. * * Return value: - * SUCCESS or FAILED or NEEDS_RETRY or TARGET_ERROR + * SUCCESS or FAILED or NEEDS_RETRY or ADD_TO_MLQUEUE * * Notes: * When a deferred error is detected the current command has @@ -359,13 +359,15 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) case MISCOMPARE: case BLANK_CHECK: case DATA_PROTECT: - return TARGET_ERROR; + set_host_byte(scmd, DID_TARGET_FAILURE); + return SUCCESS; case MEDIUM_ERROR: if (sshdr.asc == 0x11 || /* UNRECOVERED READ ERR */ sshdr.asc == 0x13 || /* AMNF DATA FIELD */ sshdr.asc == 0x14) { /* RECORD NOT FOUND */ - return TARGET_ERROR; + set_host_byte(scmd, DID_TARGET_FAILURE); + return SUCCESS; } return NEEDS_RETRY; @@ -373,14 +375,14 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) if (scmd->device->retry_hwerror) return ADD_TO_MLQUEUE; else - return TARGET_ERROR; + set_host_byte(scmd, DID_TARGET_FAILURE); case ILLEGAL_REQUEST: if (sshdr.asc == 0x20 || /* Invalid command operation code */ sshdr.asc == 0x21 || /* Logical block address out of range */ sshdr.asc == 0x24 || /* Invalid field in cdb */ sshdr.asc == 0x26) { /* Parameter value invalid */ - return TARGET_ERROR; + set_host_byte(scmd, DID_TARGET_FAILURE); } return SUCCESS; @@ -843,7 +845,6 @@ retry: case SUCCESS: case NEEDS_RETRY: case FAILED: - case TARGET_ERROR: break; case ADD_TO_MLQUEUE: rtn = NEEDS_RETRY; @@ -1577,14 +1578,6 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) rtn = scsi_check_sense(scmd); if (rtn == NEEDS_RETRY) goto maybe_retry; - else if (rtn == TARGET_ERROR) { - /* - * Need to modify host byte to signal a - * permanent target failure - */ - set_host_byte(scmd, DID_TARGET_FAILURE); - rtn = SUCCESS; - } /* if rtn == FAILED, we have no sense information; * returning FAILED will wake the error handler thread * to collect the sense and redo the decide |