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non-trivial warn_unused_result fix, prepare_update 

If an allocation fails in ->prepare_update we need to catch it in
->process_update.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2008-09-28 12:12:08 -07:00
parent 792449393d
commit e6b9548dce
1 changed files with 5 additions and 2 deletions
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7
super-ddf.c
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@ -3076,6 +3076,8 @@ static void ddf_process_update(struct supertype *st,
mppe * (sizeof(__u32) + sizeof(__u64)));
} else {
/* A new VD_CONF */
if (!update->space)
return;
vcl = update->space;
update->space = NULL;
vcl->next = ddf->conflist;
@ -3136,9 +3138,10 @@ static void ddf_prepare_update(struct supertype *st,
struct ddf_super *ddf = st->sb;
__u32 *magic = (__u32*)update->buf;
if (*magic == DDF_VD_CONF_MAGIC)
posix_memalign(&update->space, 512,
if (posix_memalign(&update->space, 512,
offsetof(struct vcl, conf)
+ ddf->conf_rec_len * 512);
+ ddf->conf_rec_len * 512) != 0)
update->space = NULL;
}
/*