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UBI: silence a warning

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This patch silences the following warning :

  drivers/mtd/ubi/vmt.c:73: warning: 'ret' may be used uninitialized in this function

gcc can't see that we always initialize ret in all situations where it is
actually used. The one case where it's not initialized is when we BUG(),
but gcc doesn't know that we won't then continue and use an uninitialized
'ret'.

This patch results in code that does exactely the same as before, but it
also makes gcc shut up, so we generate one less line of warning noise.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Jesper Juhl 2007-12-13 23:53:08 +01:00 committed by Artem Bityutskiy
parent 393852ecfe
commit 54b2c8f93d
1 changed files with 3 additions and 2 deletions
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5
drivers/mtd/ubi/vmt.c
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@ -70,13 +70,14 @@ static struct device_attribute attr_vol_upd_marker =
static ssize_t vol_attribute_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret;
int ret = -ENODEV;
struct ubi_volume *vol = container_of(dev, struct ubi_volume, dev);
spin_lock(&vol->ubi->volumes_lock);
if (vol->removed) {
spin_unlock(&vol->ubi->volumes_lock);
return -ENODEV;
return ret;
}
if (attr == &attr_vol_reserved_ebs)
ret = sprintf(buf, "%d\n", vol->reserved_pebs);