Merge branch 'next' into for-linus

Prepare input updates for 6.17 merge window.

1 files changed, 10 insertions, 0 deletions

diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index fc93f0abf513..25c4a5afbd44 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -314,6 +314,9 @@ static inline bool exportfs_can_decode_fh(const struct export_operations *nop)
 static inline bool exportfs_can_encode_fh(const struct export_operations *nop,
 					  int fh_flags)
 {
+	if (!nop)
+		return false;
+
 	/*
 	 * If a non-decodeable file handle was requested, we only need to make
 	 * sure that filesystem did not opt-out of encoding fid.
@@ -322,6 +325,13 @@ static inline bool exportfs_can_encode_fh(const struct export_operations *nop,
 		return exportfs_can_encode_fid(nop);
 
 	/*
+	 * If a connectable file handle was requested, we need to make sure that
+	 * filesystem can also decode connected file handles.
+	 */
+	if ((fh_flags & EXPORT_FH_CONNECTABLE) && !nop->fh_to_parent)
+		return false;
+
+	/*
 	 * If a decodeable file handle was requested, we need to make sure that
 	 * filesystem can also decode file handles.
 	 */