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fs/erofs: Replace 64-bit modulo with bitwise operations

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Otherwise depending on compiler we end up with umoddi3 reference and
failed module dependency resolution.

Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Vladimir Serbinenko 2024-09-03 20:58:47 +03:00 committed by Daniel Kiper
parent 5313fa8394
commit e61157bbd2
1 changed files with 2 additions and 2 deletions
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4
grub-core/fs/erofs.c
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@ -357,13 +357,13 @@ erofs_map_blocks_flatmode (grub_fshelp_node_t node,
{
if (grub_add (erofs_iloc (node), erofs_inode_size (node), &map->m_pa) ||
grub_add (map->m_pa, erofs_inode_xattr_ibody_size (node), &map->m_pa) ||
grub_add (map->m_pa, map->m_la % blocksz, &map->m_pa))
grub_add (map->m_pa, map->m_la & (blocksz - 1), &map->m_pa))
return grub_error (GRUB_ERR_OUT_OF_RANGE, "m_pa overflow when handling tailpacking");
if (grub_sub (file_size, map->m_la, &map->m_plen))
return grub_error (GRUB_ERR_OUT_OF_RANGE, "m_plen overflow when handling tailpacking");
/* No overflow as map->m_plen <= UINT64_MAX - blocksz + 1. */
if (((map->m_pa % blocksz) + map->m_plen) > blocksz)
if (((map->m_pa & (blocksz - 1)) + map->m_plen) > blocksz)
return grub_error (GRUB_ERR_BAD_FS,
"inline data cross block boundary @ inode %" PRIuGRUB_UINT64_T,
node->ino);