git: 9620ee881691 - releng/15.0 - jail: fix an error condition that was returned without setting errno.

The branch releng/15.0 has been updated by cperciva:

URL: https://cgit.FreeBSD.org/src/commit/?id=9620ee88169129729ae3fb3870dc47a7145a1ce2

commit 9620ee88169129729ae3fb3870dc47a7145a1ce2
Author:     Jamie Gritton <jamie@FreeBSD.org>
AuthorDate: 2025-10-21 00:09:39 +0000
Commit:     Colin Percival <cperciva@FreeBSD.org>
CommitDate: 2025-10-30 04:23:15 +0000

    jail: fix an error condition that was returned without setting errno.
    
    Approved by:    re (cperciva)
    MFC after:      3 days
    
    (cherry picked from commit 5f7d5709e0c242d5a5fa5516d6079433ee06c347)
    (cherry picked from commit c6bf733736b505da1c353759a76d17a2ac54475a)
---
 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 3697d95fe0e5..a0a200caefc6 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;
 		}