diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-20 11:27:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-20 11:27:18 +0100 |
| commit | 4958134df54c2c84e9c22ea042761d439164d26e (patch) | |
| tree | 503177afab11f7d25b12a84ce25b481d305c51ba /drivers/scsi/sd.c | |
| parent | c4f528795d1add8b63652673f7262729f679c6c1 (diff) | |
| parent | c698ca5278934c0ae32297a8725ced2e27585d7f (diff) | |
Merge 4.16-rc6 into tty-next
We want the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index bff21e636ddd..3541caf3fceb 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2595,6 +2595,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) int res; struct scsi_device *sdp = sdkp->device; struct scsi_mode_data data; + int disk_ro = get_disk_ro(sdkp->disk); int old_wp = sdkp->write_prot; set_disk_ro(sdkp->disk, 0); @@ -2635,7 +2636,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) "Test WP failed, assume Write Enabled\n"); } else { sdkp->write_prot = ((data.device_specific & 0x80) != 0); - set_disk_ro(sdkp->disk, sdkp->write_prot); + set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro); if (sdkp->first_scan || old_wp != sdkp->write_prot) { sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n", sdkp->write_prot ? "on" : "off"); |