Commit f50ee8c1 authored by Keith Packard's avatar Keith Packard Committed by Henrik Brix Andersen
Browse files

fs/ext2: Missing error check in ext2_inode_remove_blocks 



Don't assume that get_level_offsets will succeed.

Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
parent eb351f05

subsys/fs/ext2/ext2_diskops.c

+4 −0
Original line number Diff line number Diff line
@@ -669,6 +669,10 @@ int64_t ext2_inode_remove_blocks(struct ext2_inode *inode, uint32_t first) 


	max_lvl = get_level_offsets(inode->i_fs, first, offsets);



	if (max_lvl < 0) {

		return max_lvl;

	}



	if (all_zero(&offsets[1], max_lvl)) {

		/* The first block to remove is either:

		 *  - one of the first 12 blocks in the indode

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