[PATCH] iomem annotations (sata_vsc)

[safe/jmp/linux-2.6] / drivers / mmc / mmc_block.c

diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index b5b4a7b..fa83f15 100644 (file)
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -95,6 +95,10 @@ static int mmc_blk_open(struct inode *inode, struct file *filp)
                if (md->usage == 2)
                        check_disk_change(inode->i_bdev);
                ret = 0;
+
+               if ((filp->f_mode & FMODE_WRITE) &&
+                       mmc_card_readonly(md->queue.card))
+                       ret = -EROFS;
        }
 
        return ret;
@@ -383,7 +387,10 @@ static int mmc_blk_probe(struct mmc_card *card)
        struct mmc_blk_data *md;
        int err;
 
-       if (card->csd.cmdclass & ~0x1ff)
+       /*
+        * Check that the card supports the command class(es) we need.
+        */
+       if (!(card->csd.cmdclass & CCC_BLOCK_READ))
                return -ENODEV;
 
        if (card->csd.read_blkbits < 9) {
@@ -400,9 +407,10 @@ static int mmc_blk_probe(struct mmc_card *card)
        if (err)
                goto out;
 
-       printk(KERN_INFO "%s: %s %s %dKiB\n",
+       printk(KERN_INFO "%s: %s %s %dKiB %s\n",
                md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
-               (card->csd.capacity << card->csd.read_blkbits) / 1024);
+               (card->csd.capacity << card->csd.read_blkbits) / 1024,
+               mmc_card_readonly(card)?"(ro)":"");
 
        mmc_set_drvdata(card, md);
        add_disk(md->disk);