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@@ -85,6 +85,12 @@ static void mmc_blk_put(struct mmc_blk_data *md)
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up(&open_lock);
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}
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+static inline int mmc_blk_readonly(struct mmc_card *card)
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+{
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+ return mmc_card_readonly(card) ||
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+ !(card->csd.cmdclass & CCC_BLOCK_WRITE);
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+}
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+
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static int mmc_blk_open(struct inode *inode, struct file *filp)
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{
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struct mmc_blk_data *md;
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@@ -97,7 +103,7 @@ static int mmc_blk_open(struct inode *inode, struct file *filp)
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ret = 0;
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if ((filp->f_mode & FMODE_WRITE) &&
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- mmc_card_readonly(md->queue.card))
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+ mmc_blk_readonly(md->queue.card))
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ret = -EROFS;
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}
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@@ -410,7 +416,7 @@ static int mmc_blk_probe(struct mmc_card *card)
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printk(KERN_INFO "%s: %s %s %dKiB %s\n",
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md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
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(card->csd.capacity << card->csd.read_blkbits) / 1024,
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- mmc_card_readonly(card)?"(ro)":"");
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+ mmc_blk_readonly(card)?"(ro)":"");
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mmc_set_drvdata(card, md);
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add_disk(md->disk);
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