git: c6bf733736b5 - stable/15 - jail: fix an error condition that was returned without setting errno.

The branch stable/15 has been updated by jamie:

URL: https://cgit.FreeBSD.org/src/commit/?id=c6bf733736b505da1c353759a76d17a2ac54475a

commit c6bf733736b505da1c353759a76d17a2ac54475a
Author:     Jamie Gritton <jamie@FreeBSD.org>
AuthorDate: 2025-10-21 00:09:39 +0000
Commit:     Jamie Gritton <jamie@FreeBSD.org>
CommitDate: 2025-10-24 01:11:50 +0000

    jail: fix an error condition that was returned without setting errno.
    
    MFC after:      3 days
    
    (cherry picked from commit 5f7d5709e0c242d5a5fa5516d6079433ee06c347)
---
 sys/kern/kern_jail.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c
index 00732d55cd46..267b60ffb5bc 100644
--- a/sys/kern/kern_jail.c
+++ b/sys/kern/kern_jail.c
@@ -1088,6 +1088,7 @@ kern_jail_set(struct thread *td, struct uio *optuio, int flags)
 	else {
 		if (!(flags & (JAIL_USE_DESC | JAIL_AT_DESC | JAIL_GET_DESC |
 		    JAIL_OWN_DESC))) {
+			error = EINVAL;
 			vfs_opterror(opts, "unexpected desc");
 			goto done_errmsg;
 		}
@@ -2518,6 +2519,7 @@ kern_jail_get(struct thread *td, struct uio *optuio, int flags)
 	} else if (error == 0) {
 		if (!(flags & (JAIL_USE_DESC | JAIL_AT_DESC | JAIL_GET_DESC |
 		    JAIL_OWN_DESC))) {
+			error = EINVAL;
 			vfs_opterror(opts, "unexpected desc");
 			goto done;
 		}