partitions/aix: fix usage of uninitialized lv_info and lvname structures

[mirror_ubuntu-bionic-kernel.git] / block / partitions / aix.c

diff --git a/block/partitions/aix.c b/block/partitions/aix.c
index 007f95eea0e1a9b6b79751ce6f109d151daa12f4..850cbd1860d4caea26d1fb861bc5f526744c6666 100644 (file)
--- a/block/partitions/aix.c
+++ b/block/partitions/aix.c
@@ -178,7 +178,7 @@ int aix_partition(struct parsed_partitions *state)
        u32 vgda_sector = 0;
        u32 vgda_len = 0;
        int numlvs = 0;
-       struct pvd *pvd;
+       struct pvd *pvd = NULL;
        struct lv_info {
                unsigned short pps_per_lv;
                unsigned short pps_found;
@@ -232,10 +232,11 @@ int aix_partition(struct parsed_partitions *state)
                                if (lvip[i].pps_per_lv)
                                        foundlvs += 1;
                        }
+                       /* pvd loops depend on n[].name and lvip[].pps_per_lv */
+                       pvd = alloc_pvd(state, vgda_sector + 17);
                }
                put_dev_sector(sect);
        }
-       pvd = alloc_pvd(state, vgda_sector + 17);
        if (pvd) {
                int numpps = be16_to_cpu(pvd->pp_count);
                int psn_part1 = be32_to_cpu(pvd->psn_part1);