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-rw-r--r--fs/ext4/extents.c22
1 files changed, 4 insertions, 18 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 27c383c7b43c..d04b779b780e 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -326,32 +326,18 @@ ext4_ext_max_entries(struct inode *inode, int depth)
326 326
327static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext) 327static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
328{ 328{
329 ext4_fsblk_t block = ext_pblock(ext), valid_block; 329 ext4_fsblk_t block = ext_pblock(ext);
330 int len = ext4_ext_get_actual_len(ext); 330 int len = ext4_ext_get_actual_len(ext);
331 struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
332 331
333 valid_block = le32_to_cpu(es->s_first_data_block) + 332 return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
334 EXT4_SB(inode->i_sb)->s_gdb_count;
335 if (unlikely(block <= valid_block ||
336 ((block + len) > ext4_blocks_count(es))))
337 return 0;
338 else
339 return 1;
340} 333}
341 334
342static int ext4_valid_extent_idx(struct inode *inode, 335static int ext4_valid_extent_idx(struct inode *inode,
343 struct ext4_extent_idx *ext_idx) 336 struct ext4_extent_idx *ext_idx)
344{ 337{
345 ext4_fsblk_t block = idx_pblock(ext_idx), valid_block; 338 ext4_fsblk_t block = idx_pblock(ext_idx);
346 struct ext4_super_block *es = EXT4_SB(inode->i_sb)->s_es;
347 339
348 valid_block = le32_to_cpu(es->s_first_data_block) + 340 return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, 1);
349 EXT4_SB(inode->i_sb)->s_gdb_count;
350 if (unlikely(block <= valid_block ||
351 (block >= ext4_blocks_count(es))))
352 return 0;
353 else
354 return 1;
355} 341}
356 342
357static int ext4_valid_extent_entries(struct inode *inode, 343static int ext4_valid_extent_entries(struct inode *inode,