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btrfs-progs: dump-super: Don't verify csum if csum type or size is unknown 

Reported-by: Ken Swenson <flat@imo.uto.moe>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2018-03-06 10:16:51 +08:00 committed by David Sterba
parent 4c7094e046
commit 14bf2b546d
1 changed files with 3 additions and 1 deletions
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4
cmds-inspect-dump-super.c
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@ -339,7 +339,9 @@ static void dump_superblock(struct btrfs_super_block *sb, int full)
printf("csum\t\t\t0x");
for (i = 0, p = sb->csum; i < csum_size; i++)
printf("%02x", p[i]);
if (check_csum_sblock(sb, csum_size))
if (csum_type != BTRFS_CSUM_TYPE_CRC32 || csum_size != BTRFS_CRC32_SIZE)
printf(" [UNKNOWN CSUM TYPE OR SIZE]");
else if (check_csum_sblock(sb, csum_size))
printf(" [match]");
else
printf(" [DON'T MATCH]");