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- Sense handling cleanup

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1146 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Vladislav Bolkhovitin
2009-09-25 18:57:10 +00:00
parent b22067d540
commit 93e8178a4f
12 changed files with 223 additions and 155 deletions
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usr/fileio/common.c
+6 -11
View File
@@ -125,7 +125,7 @@ static inline void set_cmd_error_status(struct scst_user_scsi_cmd_reply_exec *re
static int set_sense(uint8_t *buffer, int len, int key, int asc, int ascq)
{
int res = SCST_STANDARD_SENSE_LEN;
int res = 18;
EXTRACHECKS_BUG_ON(len < res);
@@ -1064,23 +1064,18 @@ static void exec_request_sense(struct vdisk_cmd *vcmd)
{
struct scst_user_scsi_cmd_exec *cmd = &vcmd->cmd->exec_cmd;
struct scst_user_scsi_cmd_reply_exec *reply = &vcmd->reply->exec_reply;
int length = cmd->bufflen;
int length = cmd->bufflen, l;
uint8_t *address = (uint8_t*)(unsigned long)cmd->pbuf;
uint8_t b[SCST_STANDARD_SENSE_LEN];
TRACE_ENTRY();
if (length < SCST_STANDARD_SENSE_LEN) {
PRINT_ERROR("too small requested buffer for REQUEST SENSE "
"(len %d)", length);
set_cmd_error(vcmd,
SCST_LOAD_SENSE(scst_sense_invalid_field_in_parm_list));
goto out;
}
l = set_sense(b, sizeof(b), SCST_LOAD_SENSE(scst_sense_no_sense));
set_sense(address, length, SCST_LOAD_SENSE(scst_sense_no_sense));
length = min(l, length);
memcpy(address, b, length);
reply->resp_data_len = length;
out:
TRACE_EXIT();
return;
}