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Ext2FS: Fix dumb bitmap size bug in *_inode_allocation_state().

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This commit is contained in:
Andreas Kling 2019-02-08 08:43:08 +01:00
parent 736e852525
commit 2736957701
1 changed files with 2 additions and 2 deletions
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4
Kernel/Ext2FileSystem.cpp
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@ -934,7 +934,7 @@ bool Ext2FS::get_inode_allocation_state(InodeIndex index) const
unsigned bit_index = (index - 1) % inodes_per_bitmap_block; unsigned bit_index = (index - 1) % inodes_per_bitmap_block;
auto block = read_block(bgd.bg_inode_bitmap + bitmap_block_index); auto block = read_block(bgd.bg_inode_bitmap + bitmap_block_index);
ASSERT(block); ASSERT(block);
auto bitmap = Bitmap::wrap(block.pointer(), block.size()); auto bitmap = Bitmap::wrap(block.pointer(), inodes_per_bitmap_block);
return bitmap.get(bit_index); return bitmap.get(bit_index);
} }
@ -948,7 +948,7 @@ bool Ext2FS::set_inode_allocation_state(unsigned index, bool newState)
unsigned bit_index = (index - 1) % inodes_per_bitmap_block; unsigned bit_index = (index - 1) % inodes_per_bitmap_block;
auto block = read_block(bgd.bg_inode_bitmap + bitmap_block_index); auto block = read_block(bgd.bg_inode_bitmap + bitmap_block_index);
ASSERT(block); ASSERT(block);
auto bitmap = Bitmap::wrap(block.pointer(), block.size()); auto bitmap = Bitmap::wrap(block.pointer(), inodes_per_bitmap_block);
bool current_state = bitmap.get(bit_index); bool current_state = bitmap.get(bit_index);
dbgprintf("Ext2FS: set_inode_allocation_state(%u) %u -> %u\n", index, current_state, newState); dbgprintf("Ext2FS: set_inode_allocation_state(%u) %u -> %u\n", index, current_state, newState);