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DDF: fix possible mdmon crash when updating metadata. 

Testing 'c' and then using 'vdc' assumes that the two are in sync,
but sometimes they aren't.
Testing 'vdc' is safer.
This avoids a crash in some cases when failing/removing/added devices
to a DDF.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2014-04-02 15:14:43 +11:00
parent a44e993e37
commit 188d31ed2b
1 changed files with 1 additions and 1 deletions
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2
super-ddf.c
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@ -3022,7 +3022,7 @@ static int __write_ddf_structure(struct dl *d, struct ddf_super *ddf, __u8 type)
(const struct vd_config **)&vdc,
&dummy);
}
if (c) {
if (vdc) {
dprintf("writing conf record %i on disk %08x for %s/%u\n",
i, be32_to_cpu(d->disk.refnum),
guid_str(vdc->guid),