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authorPeter Osterlund <petero2@telia.com>2006-02-14 13:52:55 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-14 16:09:33 -0800
commit01fd9fda2ce462b44bafdac2fe6aacacf23531f2 (patch)
treec587c37f36d3800fae2fbfd0007f983b646a4c6c /drivers
parent61a34937982cace51853b5dc88f86380e31998c0 (diff)
downloadlinux-01fd9fda2ce462b44bafdac2fe6aacacf23531f2.tar.gz
[PATCH] pktcdvd: Allow non-writable media to be mounted
If opening for write fails, the open method should return -EROFS.  This makes
"mount" try again with a read-only mount, instead of just giving up.

Signed-off-by: Peter Osterlund <petero2@telia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/pktcdvd.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 73999762582e..edf6bf29002e 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -1895,7 +1895,7 @@ static int pkt_open_write(struct pktcdvd_device *pd)
 
 	if ((ret = pkt_probe_settings(pd))) {
 		VPRINTK("pktcdvd: %s failed probe\n", pd->name);
-		return -EIO;
+		return -EROFS;
 	}
 
 	if ((ret = pkt_set_write_settings(pd))) {
@@ -2053,10 +2053,9 @@ static int pkt_open(struct inode *inode, struct file *file)
 			goto out_dec;
 		}
 	} else {
-		if (pkt_open_dev(pd, file->f_mode & FMODE_WRITE)) {
-			ret = -EIO;
+		ret = pkt_open_dev(pd, file->f_mode & FMODE_WRITE);
+		if (ret)
 			goto out_dec;
-		}
 		/*
 		 * needed here as well, since ext2 (among others) may change
 		 * the blocksize at mount time