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lxcapi_snapshot: check that c is defined

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before using it, like the other snapshot api methods do.

This will need to go into stable-1.0 as well.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
This commit is contained in:
Serge Hallyn 2014-06-03 13:16:03 -05:00 committed by Stéphane Graber
parent 1b03969c7c
commit 840f05df8a
1 changed files with 3 additions and 0 deletions
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3
src/lxc/lxccontainer.c
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@ -2852,6 +2852,9 @@ static int lxcapi_snapshot(struct lxc_container *c, const char *commentfile)
struct lxc_container *c2;
char snappath[MAXPATHLEN], newname[20];
if (!c || !lxcapi_is_defined(c))
return -1;
// /var/lib/lxc -> /var/lib/lxcsnaps \0
ret = snprintf(snappath, MAXPATHLEN, "%ssnaps/%s", c->config_path, c->name);
if (ret < 0 || ret >= MAXPATHLEN)