libext2fs: make ext2fs_group_desc_csum return 0 if meta_csum not enabled

Addresses-Coverity-Id: #1147784

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/lib/ext2fs/csum.c b/lib/ext2fs/csum.c
index b681d342e919f99d34c21c866f0e44fd82cde3f5..6989880e2fec09970fdfaa8c5c5ed9139abf6e56 100644 (file)
--- a/lib/ext2fs/csum.c
+++ b/lib/ext2fs/csum.c
@@ -36,7 +36,7 @@ __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group)
                                                         group);
        size_t size = EXT2_DESC_SIZE(fs->super);
        size_t offset;
-       __u16 crc;
+       __u16 crc = 0;
 
        if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM) {
                size_t offset = offsetof(struct ext2_group_desc, bg_checksum);