Merge remote-tracking branch 'mkp-scsi/4.5/scsi-fixes' into fixes

[cascardo/linux.git] / drivers / scsi / sd.c

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 4e08d1c..bb669d3 100644 (file)
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2893,7 +2893,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
            sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS &&
            sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_CACHE_SIZE)
                rw_max = q->limits.io_opt =
-                       logical_to_sectors(sdp, sdkp->opt_xfer_blocks);
+                       sdkp->opt_xfer_blocks * sdp->sector_size;
        else
                rw_max = BLK_DEF_MAX_SECTORS;
 
@@ -3268,8 +3268,8 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors)
        struct scsi_disk *sdkp = dev_get_drvdata(dev);
        int ret = 0;
 
-       if (!sdkp)
-               return 0;       /* this can happen */
+       if (!sdkp)      /* E.g.: runtime suspend following sd_remove() */
+               return 0;
 
        if (sdkp->WCE && sdkp->media_present) {
                sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n");
@@ -3308,6 +3308,9 @@ static int sd_resume(struct device *dev)
 {
        struct scsi_disk *sdkp = dev_get_drvdata(dev);
 
+       if (!sdkp)      /* E.g.: runtime resume at the start of sd_probe() */
+               return 0;
+
        if (!sdkp->device->manage_start_stop)
                return 0;