staging: erofs: correct all misused ENOTSUPP
As Chao pointed out [1], ENOTSUPP is used for NFS
protocol only, we should use EOPNOTSUPP instead...
[1] https://lore.kernel.org/lkml/108ee2f9-75dd-b8ab-8da7-b81c17bafbf6@huawei.com/
Reported-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Link: https://lore.kernel.org/r/20190814103705.60698-3-gaoxiang25@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/erofs/zmap.c b/drivers/staging/erofs/zmap.c
index 5551e61..b61b9b5 100644
--- a/drivers/staging/erofs/zmap.c
+++ b/drivers/staging/erofs/zmap.c
@@ -68,7 +68,7 @@ static int fill_inode_lazy(struct inode *inode)
if (vi->z_algorithmtype[0] >= Z_EROFS_COMPRESSION_MAX) {
errln("unknown compression format %u for nid %llu, please upgrade kernel",
vi->z_algorithmtype[0], vi->nid);
- err = -ENOTSUPP;
+ err = -EOPNOTSUPP;
goto unmap_done;
}
@@ -79,7 +79,7 @@ static int fill_inode_lazy(struct inode *inode)
if (vi->z_physical_clusterbits[0] != LOG_BLOCK_SIZE) {
errln("unsupported physical clusterbits %u for nid %llu, please upgrade kernel",
vi->z_physical_clusterbits[0], vi->nid);
- err = -ENOTSUPP;
+ err = -EOPNOTSUPP;
goto unmap_done;
}
@@ -211,7 +211,7 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m,
else if (1 << amortizedshift == 2 && lclusterbits == 12)
vcnt = 16;
else
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
encodebits = ((vcnt << amortizedshift) - sizeof(__le32)) * 8 / vcnt;
base = round_down(eofs, vcnt << amortizedshift);
@@ -275,7 +275,7 @@ static int compacted_load_cluster_from_disk(struct z_erofs_maprecorder *m,
int err;
if (lclusterbits != 12)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
if (lcn >= totalidx)
return -EINVAL;
