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D29991.diff
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diff --git a/sys/cam/scsi/scsi_xpt.c b/sys/cam/scsi/scsi_xpt.c
--- a/sys/cam/scsi/scsi_xpt.c
+++ b/sys/cam/scsi/scsi_xpt.c
@@ -1210,8 +1210,6 @@
if (periph_qual == SID_QUAL_LU_CONNECTED ||
periph_qual == SID_QUAL_LU_OFFLINE) {
- u_int8_t len;
-
/*
* We conservatively request only
* SHORT_INQUIRY_LEN bytes of inquiry
@@ -1222,11 +1220,9 @@
* the amount of information the device
* is willing to give.
*/
- len = inq_buf->additional_length
- + offsetof(struct scsi_inquiry_data,
- additional_length) + 1;
if (softc->action == PROBE_INQUIRY
- && len > SHORT_INQUIRY_LENGTH) {
+ && SID_ADDITIONAL_LENGTH(inq_buf)
+ > SHORT_INQUIRY_LENGTH) {
PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
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D29991: cam: fix integer overflow during inquiry
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