Unverified Commit 5d65a70b authored by Jeff Layton's avatar Jeff Layton Committed by Christian Brauner
Browse files

9p: don't allow delegations to be set on directories 



With the advent of directory leases, it's necessary to set the
->setlease() handler in directory file_operations to properly deny them.

Fixes: e6d28ebc ("filelock: push the S_ISREG check down to ->setlease handlers")
Signed-off-by: default avatarJeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260107-setlease-6-19-v1-3-85f034abcc57@kernel.org


Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent b9a9be4d

fs/9p/vfs_dir.c

+2 −0
Original line number Diff line number Diff line
@@ -242,6 +242,7 @@ const struct file_operations v9fs_dir_operations = { 
	.iterate_shared = v9fs_dir_readdir,

	.open = v9fs_file_open,

	.release = v9fs_dir_release,

	.setlease = simple_nosetlease,

};



const struct file_operations v9fs_dir_operations_dotl = {
@@ -251,4 +252,5 @@ const struct file_operations v9fs_dir_operations_dotl = { 
	.open = v9fs_file_open,

	.release = v9fs_dir_release,

	.fsync = v9fs_file_fsync_dotl,

	.setlease = simple_nosetlease,

};