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libdm: improve check in dm_split_lvm_name

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We support both type of call - with or without mem pool.
So ensure we will not use NULL vgname also when mem is given.
This commit is contained in:
Zdenek Kabelac 2013-04-21 12:48:24 +02:00
parent a2b76a6f02
commit 8f1dd00c36
1 changed files with 4 additions and 1 deletions
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5
libdm/libdm-string.c
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@ -92,7 +92,10 @@ static char *_unquote(char *component)
int dm_split_lvm_name(struct dm_pool *mem, const char *dmname, int dm_split_lvm_name(struct dm_pool *mem, const char *dmname,
char **vgname, char **lvname, char **layer) char **vgname, char **lvname, char **layer)
{ {
if (mem && !(*vgname = dm_pool_strdup(mem, dmname))) if (mem)
*vgname = dm_pool_strdup(mem, dmname);
if (!*vgname)
return 0; return 0;
_unquote(*layer = _unquote(*lvname = _unquote(*vgname))); _unquote(*layer = _unquote(*lvname = _unquote(*vgname)));