[PATCH] bcache: register_quiet should still report errors

From: Gabriel de Perthuis
Date: Mon Aug 26 2013 - 18:32:21 EST


register_quiet should still report all errors except
"device already registered".

Before this some potential errors would be silenced.

Signed-off-by: Gabriel de Perthuis <g2p.code@xxxxxxxxx>
---
drivers/md/bcache/super.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index a41c681..c3a3dc8 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1901,14 +1901,17 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
FMODE_READ|FMODE_WRITE|FMODE_EXCL,
sb);
if (IS_ERR(bdev)) {
if (bdev == ERR_PTR(-EBUSY)) {
bdev = lookup_bdev(strim(path));
- if (!IS_ERR(bdev) && bch_is_open(bdev))
+ if (!IS_ERR(bdev) && bch_is_open(bdev)) {
+ if (attr == &ksysfs_register_quiet)
+ goto out;
err = "device already registered";
- else
+ } else {
err = "device busy";
+ }
}
goto err;
}

err = "failed to set blocksize";
@@ -1942,12 +1945,11 @@ out:
return ret;

err_close:
blkdev_put(bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
err:
- if (attr != &ksysfs_register_quiet)
- pr_info("error opening %s: %s", path, err);
+ pr_info("error opening %s: %s", path, err);
ret = -EINVAL;
goto out;
}

static int bcache_reboot(struct notifier_block *n, unsigned long code, void *x)
--
1.8.4.rc0.5.g48765cc

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