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format1: check for lvm1_system_id

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As in the code above in this function continue to check for
lvm1_system_id pointer existance before dereferencing it
(Coverity).
This commit is contained in:
Zdenek Kabelac 2015-05-07 13:09:43 +02:00
parent 05934d2538
commit 950a21d58a
1 changed files with 2 additions and 2 deletions
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4
lib/format1/import-export.c
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@ -180,7 +180,7 @@ int export_pv(struct cmd_context *cmd, struct dm_pool *mem __attribute__((unused
}
/* Is VG being imported? */
if (vg && !vg_is_exported(vg) && *vg->lvm1_system_id &&
if (vg && !vg_is_exported(vg) && vg->lvm1_system_id && *vg->lvm1_system_id &&
!strncmp(vg->lvm1_system_id, EXPORTED_TAG, sizeof(EXPORTED_TAG) - 1)) {
if (!generate_lvm1_system_id(cmd, (char *)pvd->system_id, IMPORTED_TAG))
return_0;
@ -192,7 +192,7 @@ int export_pv(struct cmd_context *cmd, struct dm_pool *mem __attribute__((unused
return_0;
/* Update internal system_id if we changed it */
if (vg &&
if (vg && vg->lvm1_system_id &&
(!*vg->lvm1_system_id ||
strncmp(vg->lvm1_system_id, (char *)pvd->system_id, sizeof(pvd->system_id))))
strncpy(vg->lvm1_system_id, (char *)pvd->system_id, NAME_LEN);