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-rw-r--r--drivers/scsi/sd.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index f2dfd9853d34..2f2ca2878876 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2649,6 +2649,13 @@ 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);