diff options
| -rw-r--r-- | fs/erofs/data.c | 1 | ||||
| -rw-r--r-- | fs/erofs/decompressor.c | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/fs/erofs/data.c b/fs/erofs/data.c index c98aeda8abb2..3d9721b3faa8 100644 --- a/fs/erofs/data.c +++ b/fs/erofs/data.c @@ -447,5 +447,6 @@ const struct file_operations erofs_file_fops = { .llseek = generic_file_llseek, .read_iter = erofs_file_read_iter, .mmap = erofs_file_mmap, + .get_unmapped_area = thp_get_unmapped_area, .splice_read = filemap_splice_read, }; diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c index d4cee95af14c..2ec9b2bb628d 100644 --- a/fs/erofs/decompressor.c +++ b/fs/erofs/decompressor.c @@ -323,7 +323,8 @@ static int z_erofs_transform_plain(struct z_erofs_decompress_req *rq, unsigned int cur = 0, ni = 0, no, pi, po, insz, cnt; u8 *kin; - DBG_BUGON(rq->outputsize > rq->inputsize); + if (rq->outputsize > rq->inputsize) + return -EOPNOTSUPP; if (rq->alg == Z_EROFS_COMPRESSION_INTERLACED) { cur = bs - (rq->pageofs_out & (bs - 1)); pi = (rq->pageofs_in + rq->inputsize - cur) & ~PAGE_MASK; |