udf: fix retun value on error path in udf_load_logicalvol

commit 68766a2edcd5cd744262a70a2f67a320ac944760 upstream.

In case we detect a problem and bail out, we fail to set "ret" to a
nonzero value, and udf_load_logicalvol will mistakenly report success.

Signed-off-by: Nikola Pajkovsky <npajkovs@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/fs/udf/super.c b/fs/udf/super.c
index 516b7f00ab78db3e86d574c2bedf9d41b1810dde..f66439eb9b39b701539448b72ba98cdce89c514b 100644 (file)
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1289,6 +1289,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
                udf_err(sb, "error loading logical volume descriptor: "
                        "Partition table too long (%u > %lu)\n", table_len,
                        sb->s_blocksize - sizeof(*lvd));
+               ret = 1;
                goto out_bh;
        }
 
@@ -1333,8 +1334,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block,
                                                UDF_ID_SPARABLE,
                                                strlen(UDF_ID_SPARABLE))) {
                                if (udf_load_sparable_map(sb, map,
-                                   (struct sparablePartitionMap *)gpm) < 0)
+                                   (struct sparablePartitionMap *)gpm) < 0) {
+                                       ret = 1;
                                        goto out_bh;
+                               }
                        } else if (!strncmp(upm2->partIdent.ident,
                                                UDF_ID_METADATA,
                                                strlen(UDF_ID_METADATA))) {