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XFS: stricter check for superblock detection

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This commit is contained in:
Christophe Grenier 2014-04-27 11:23:29 +02:00
parent be0edffbb6
commit 9ed4ebfef4
1 changed files with 4 additions and 1 deletions
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5
src/xfs.c
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@ -61,7 +61,10 @@ int check_xfs(disk_t *disk_car,partition_t *partition,const int verbose)
static int test_xfs(const disk_t *disk_car, const struct xfs_sb *sb, partition_t *partition, const int verbose)
{
if (sb->sb_magicnum!=be32(XFS_SB_MAGIC))
if(sb->sb_magicnum!=be32(XFS_SB_MAGIC) ||
be16(sb->sb_sectsize) != (1U << sb->sb_sectlog) ||
be32(sb->sb_blocksize) != (1U << sb->sb_blocklog) ||
be16(sb->sb_inodesize) != (1U << sb->sb_inodelog))
return 1;
switch(be16(sb->sb_versionnum) & XFS_SB_VERSION_NUMBITS)
{