scsi: sg: add sg_remove_request in sg_common_write

If the dxfer_len is greater than 256M then the request is invalid and we
need to call sg_remove_request in sg_common_write.

Link: https://lore.kernel.org/r/[e-mail]
Fixes: f930c7043663 ("scsi: sg: only check for dxfer_len greater than 256M")
Acked-by: Douglas Gilbert <[e-mail]>
Signed-off-by: Li Bin <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/sg.c

···
 			"sg_common_write:  scsi opcode=0x%02x, cmd_size=%d\n",
 			(int) cmnd[0], (int) hp->cmd_len));
 
-	if (hp->dxfer_len >= SZ_256M)
+	if (hp->dxfer_len >= SZ_256M) {
+		sg_remove_request(sfp, srp);
 		return -EINVAL;
+	}
 
 	k = sg_start_req(srp, cmnd);
 	if (k) {