btrfs-progs: build: Do not use cp -a to install library links

[platform/upstream/btrfs-progs.git] / disk-io.c

diff --git a/disk-io.c b/disk-io.c
index 76958ae..58eae70 100644 (file)
--- a/disk-io.c
+++ b/disk-io.c
@@ -396,10 +396,12 @@ int read_extent_data(struct btrfs_fs_info *fs_info, char *data, u64 logical,
        }
        device = multi->stripes[0].dev;
 
-       if (device->fd <= 0)
-               goto err;
        if (*len > max_len)
                *len = max_len;
+       if (device->fd < 0) {
+               ret = -EIO;
+               goto err;
+       }
 
        ret = pread64(device->fd, data, *len, multi->stripes[0].physical);
        if (ret != *len)