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fs/squashfs: Fix index off by 1 for inode SQFS_LDIR_TYPE

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I've created a squashfs file system with Yocto (it use squashfs-tools)
and u-boot command sqfsls give the error:'Error while searching inode:
unknown type.'
After some digging in the code I found that the index is off by 1.
This patch fix this issue and I can successful use the sqfsls command.
After search for the squashfs format I found a link talk about a
similar issue but this time in the documentation. The link is:
https://github.com/AgentD/squashfs-tools-ng/commit/e6588526838caece9529

Signed-off-by: Gerard Koskamp <gerard.koskamp@nedap.com>
Tested-by: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
This commit is contained in:
Gerard Koskamp 2020-10-30 13:41:58 +00:00 committed by Tom Rini
parent e04072536e
commit c49b0eb034
1 changed files with 2 additions and 2 deletions
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4
fs/squashfs/sqfs_inode.c
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@ -49,7 +49,7 @@ int sqfs_inode_size(struct squashfs_base_inode *inode, u32 blk_size)
return sizeof(*ldir);
di = ldir->index;
while (l < i_count + 1) {
while (l < i_count) {
sz = get_unaligned_le32(&di->size) + 1;
index_list_size += sz;
di = (void *)di + sizeof(*di) + sz;
@ -57,7 +57,7 @@ int sqfs_inode_size(struct squashfs_base_inode *inode, u32 blk_size)
}
return sizeof(*ldir) + index_list_size +
(i_count + 1) * SQFS_DIR_INDEX_BASE_LENGTH;
i_count * SQFS_DIR_INDEX_BASE_LENGTH;
}
case SQFS_LREG_TYPE: {