Commit 19822575 authored by Colin Ian King's avatar Colin Ian King Committed by Martin K. Petersen
Browse files

scsi: csiostor: Fix dereference of null pointer rn 



The error exit path when rn is NULL ends up deferencing the null pointer rn
via the use of the macro CSIO_INC_STATS. Fix this by adding a new error
return path label after the use of the macro to avoid the deference.

Fixes: a3667aae ("[SCSI] csiostor: Chelsio FCoE offload driver")
Signed-off-by: default avatarColin Ian King <colin.i.king@gmail.com>
Link: https://patch.msgid.link/20260129155332.196338-1-colin.i.king@gmail.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent e17f0d4c

drivers/scsi/csiostor/csio_scsi.c

+2 −1
Original line number Diff line number Diff line
@@ -2074,7 +2074,7 @@ csio_eh_lun_reset_handler(struct scsi_cmnd *cmnd) 
	struct csio_scsi_level_data sld;



	if (!rn)

		goto fail;

		goto fail_ret;



	csio_dbg(hw, "Request to reset LUN:%llu (ssni:0x%x tgtid:%d)\n",

		      cmnd->device->lun, rn->flowid, rn->scsi_id);
@@ -2220,6 +2220,7 @@ csio_eh_lun_reset_handler(struct scsi_cmnd *cmnd) 
	csio_put_scsi_ioreq_lock(hw, scsim, ioreq);

fail:

	CSIO_INC_STATS(rn, n_lun_rst_fail);

fail_ret:

	return FAILED;

}