[PATCH 5/5] pktcdvd: Only return -EROFS when appropriate

[Peter Osterlund <petero2@telia.com>]

When attempting to open the device for writing, only return -EROFS if
the disc appears to be readable but not writable.

Signed-off-by: Peter Osterlund <petero2@telia.com>
---

 drivers/block/pktcdvd.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index dec68d0..772b63c 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -1598,7 +1598,7 @@ static int pkt_probe_settings(struct pkt
 	}
 
 	if (!pkt_writable_disc(pd, &di))
-		return -ENXIO;
+		return -EROFS;
 
 	pd->type = di.erasable ? PACKET_CDRW : PACKET_CDR;
 
@@ -1610,7 +1610,7 @@ static int pkt_probe_settings(struct pkt
 
 	if (!pkt_writable_track(pd, &ti)) {
 		printk("pktcdvd: can't write to this track\n");
-		return -ENXIO;
+		return -EROFS;
 	}
 
 	/*
@@ -1624,7 +1624,7 @@ static int pkt_probe_settings(struct pkt
 	}
 	if (pd->settings.size > PACKET_MAX_SECTORS) {
 		printk("pktcdvd: packet size is too big\n");
-		return -ENXIO;
+		return -EROFS;
 	}
 	pd->settings.fp = ti.fp;
 	pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1);
@@ -1666,7 +1666,7 @@ static int pkt_probe_settings(struct pkt
 			break;
 		default:
 			printk("pktcdvd: unknown data mode\n");
-			return 1;
+			return -EROFS;
 	}
 	return 0;
 }
@@ -1877,7 +1877,7 @@ static int pkt_open_write(struct pktcdvd
 
 	if ((ret = pkt_probe_settings(pd))) {
 		VPRINTK("pktcdvd: %s failed probe\n", pd->name);
-		return -EROFS;
+		return ret;
 	}
 
 	if ((ret = pkt_set_write_settings(pd))) {

-- 
Peter Osterlund - petero2@telia.com
http://web.telia.com/~u89404340