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test-tool: Use asprintf() in sg_send_scsi_cmd()

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Use asprintf() instead of snprintf() + strdup().

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
This commit is contained in:
Bart Van Assche
2020-05-14 11:50:38 -07:00
parent b9effb556f
commit 9fcdce3101
1 changed files with 12 additions and 9 deletions
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21
test-tool/iscsi-support.c
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@@ -274,7 +274,7 @@ sg_send_scsi_cmd(struct scsi_device *sdev, struct scsi_task *task)
sg_io_hdr_t io_hdr;
unsigned char sense[32];
const unsigned int sense_len = sizeof(sense);
char buf[1024];
char *buf;
memset(sense, 0, sizeof(sense));
memset(&io_hdr, 0, sizeof(sg_io_hdr_t));
@@ -338,13 +338,14 @@ sg_send_scsi_cmd(struct scsi_device *sdev, struct scsi_task *task)
if (io_hdr.sb_len_wr > 0) {
task->status = SCSI_STATUS_CHECK_CONDITION;
scsi_parse_sense_data(&task->sense, sense);
snprintf(buf, sizeof(buf), "SENSE KEY:%s(%d) ASCQ:%s(0x%04x)",
scsi_sense_key_str(task->sense.key),
task->sense.key,
scsi_sense_ascq_str(task->sense.ascq),
task->sense.ascq);
if (asprintf(&buf, "SENSE KEY:%s(%d) ASCQ:%s(0x%04x)",
scsi_sense_key_str(task->sense.key),
task->sense.key,
scsi_sense_ascq_str(task->sense.ascq),
task->sense.ascq) < 0)
buf = NULL;
free(sdev->error_str);
sdev->error_str = strdup(buf);
sdev->error_str = buf;
return task;
}
if (io_hdr.status == SCSI_STATUS_RESERVATION_CONFLICT) {
@@ -368,9 +369,11 @@ sg_send_scsi_cmd(struct scsi_device *sdev, struct scsi_task *task)
task->sense.key = 0x0f;
task->sense.ascq = 0xffff;
snprintf(buf, sizeof(buf), "SCSI host error. Status=0x%x", io_hdr.host_status);
if (asprintf(&buf, "SCSI host error. Status=0x%x",
io_hdr.host_status) < 0)
buf = NULL;
free(sdev->error_str);
sdev->error_str = strdup(buf);
sdev->error_str = buf;
return task;
}
if (io_hdr.driver_status) {