1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 2a21f2d48592..35fab1e18adc 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -188,9 +188,13 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
         struct scsi_device *SDev;
         struct scsi_sense_hdr sshdr;
         int result, err = 0, retries = 0;
+        unsigned char sense_buffer[SCSI_SENSE_BUFFERSIZE], *senseptr = NULL;
 
         SDev = cd->device;
 
+        if (cgc->sense)
+                senseptr = sense_buffer;
+
       retry:
         if (!scsi_block_when_processing_errors(SDev)) {
                 err = -ENODEV;
@@ -198,10 +202,12 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
         }
 
         result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
-                              cgc->buffer, cgc->buflen,
-                              (unsigned char *)cgc->sense, &sshdr,
+                              cgc->buffer, cgc->buflen, senseptr, &sshdr,
                               cgc->timeout, IOCTL_RETRIES, 0, 0, NULL);
 
+        if (cgc->sense)
+                memcpy(cgc->sense, sense_buffer, sizeof(*cgc->sense));
+
         /* Minimal error checking.  Ignore cases we know about, and report the rest. */
         if (driver_byte(result) != 0) {
                 switch (sshdr.sense_key) {