[PATCH] xfsprogs: skip FSGEOMETRY call in openfile if no geom var present

[Eric Sandeen <sandeen@xxxxxxxxxx>]

sendfile_f() calls openfile() with NULL *geom even if it's on an
xfs filesystem, so we need to skip the ioctl if (!geom).

Fixes regression from d1b88183bb3fc5e338746db53269310348646753

Reported-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---

diff --git a/io/open.c b/io/open.c
index 97631e2..ac39ccc 100644
--- a/io/open.c
+++ b/io/open.c
@@ -163,7 +163,7 @@ openfile(
                }
        }
 
-       if (!platform_test_xfs_fd(fd))
+       if (!geom || !platform_test_xfs_fd(fd))
                return fd;
 
        if (xfsctl(path, fd, XFS_IOC_FSGEOMETRY, geom) < 0) {