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| author | Gao Xiang <hsiangkao@linux.alibaba.com> | 2021-09-22 12:51:41 +0300 |
|---|---|---|
| committer | Gao Xiang <hsiangkao@linux.alibaba.com> | 2021-09-23 18:22:04 +0300 |
| commit | d705117ddd724a9d4877e338e4587010ab6a1c62 (patch) | |
| tree | 1b4774a9c081bbc7504d3d3dc94fba5ae1350c1c /fs/erofs/inode.c | |
| parent | 93368aab0efc87288cac65e99c9ed2e0ffc9e7d0 (diff) | |
| download | linux-d705117ddd724a9d4877e338e4587010ab6a1c62.tar.xz | |
erofs: fix misbehavior of unsupported chunk format check
Unsupported chunk format should be checked with
"if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL)"
Found when checking with 4k-byte blockmap (although currently mkfs
uses inode chunk indexes format by default.)
Link: https://lore.kernel.org/r/20210922095141.233938-1-hsiangkao@linux.alibaba.com
Fixes: c5aa903a59db ("erofs: support reading chunk-based uncompressed files")
Reviewed-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Diffstat (limited to 'fs/erofs/inode.c')
| -rw-r--r-- | fs/erofs/inode.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index 31ac3a73b390..a552399e211d 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -176,7 +176,7 @@ static struct page *erofs_read_inode(struct inode *inode, } if (vi->datalayout == EROFS_INODE_CHUNK_BASED) { - if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_ALL)) { + if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL) { erofs_err(inode->i_sb, "unsupported chunk format %x of nid %llu", vi->chunkformat, vi->nid); |