diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 5385805e06a829ad8176420ab44d36e18c0fcf77..5958914829868ea7ae9c41025ff5ea54067aa863 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2657,6 +2657,13 @@ sd_do_mode_sense(struct scsi_disk *sdkp, int dbd, int modepage, unsigned char *buffer, int len, struct scsi_mode_data *data, struct scsi_sense_hdr *sshdr) { + /* + * If we must use MODE SENSE(10), make sure that the buffer length + * is at least 8 bytes so that the mode sense header fits. + */ + if (sdkp->device->use_10_for_ms && len < 8) + len = 8; + return scsi_mode_sense(sdkp->device, dbd, modepage, buffer, len, SD_TIMEOUT, sdkp->max_retries, data, sshdr);