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-rw-r--r--fs/ext4/extents.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 5920e75fc05f..c1fcf489e056 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2589,7 +2589,7 @@ static int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
2589 struct ext4_ext_path *path = NULL; 2589 struct ext4_ext_path *path = NULL;
2590 ext4_fsblk_t partial_cluster = 0; 2590 ext4_fsblk_t partial_cluster = 0;
2591 handle_t *handle; 2591 handle_t *handle;
2592 int i = 0, err; 2592 int i = 0, err = 0;
2593 2593
2594 ext_debug("truncate since %u to %u\n", start, end); 2594 ext_debug("truncate since %u to %u\n", start, end);
2595 2595
@@ -2621,12 +2621,16 @@ again:
2621 return PTR_ERR(path); 2621 return PTR_ERR(path);
2622 } 2622 }
2623 depth = ext_depth(inode); 2623 depth = ext_depth(inode);
2624 /* Leaf not may not exist only if inode has no blocks at all */
2624 ex = path[depth].p_ext; 2625 ex = path[depth].p_ext;
2625 if (!ex) { 2626 if (!ex) {
2626 ext4_ext_drop_refs(path); 2627 if (depth) {
2627 kfree(path); 2628 EXT4_ERROR_INODE(inode,
2628 path = NULL; 2629 "path[%d].p_hdr == NULL",
2629 goto cont; 2630 depth);
2631 err = -EIO;
2632 }
2633 goto out;
2630 } 2634 }
2631 2635
2632 ee_block = le32_to_cpu(ex->ee_block); 2636 ee_block = le32_to_cpu(ex->ee_block);
@@ -2658,8 +2662,6 @@ again:
2658 goto out; 2662 goto out;
2659 } 2663 }
2660 } 2664 }
2661cont:
2662
2663 /* 2665 /*
2664 * We start scanning from right side, freeing all the blocks 2666 * We start scanning from right side, freeing all the blocks
2665 * after i_size and walking into the tree depth-wise. 2667 * after i_size and walking into the tree depth-wise.