git: a85525a5c8b2 - main - pdgetpid(2): switch back returning EBADF for non-procdesc fd

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=a85525a5c8b28f1516d49e5d6ae5842873c24643

commit a85525a5c8b28f1516d49e5d6ae5842873c24643
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-09-13 19:23:27 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-09-14 08:11:03 +0000

    pdgetpid(2): switch back returning EBADF for non-procdesc fd
    
    This partially reverts fd9e09cb2ab0, since apparently QT depends on this
    specific error code.  It seems that it applies pdgetpid() to random fds
    and filters non-procdescs by checking errno for EBADF.
    
    Reported by:    arrowd, Kenneth Raplee <kenrap@kennethraplee.com>
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
---
 sys/kern/sys_procdesc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/sys_procdesc.c b/sys/kern/sys_procdesc.c
index 54b03fc82c90..acaf1241cb2e 100644
--- a/sys/kern/sys_procdesc.c
+++ b/sys/kern/sys_procdesc.c
@@ -175,7 +175,7 @@ kern_pdgetpid(struct thread *td, int fd, const cap_rights_t *rightsp,
 	if (error)
 		return (error);
 	if (fp->f_type != DTYPE_PROCDESC) {
-		error = EINVAL;
+		error = EBADF;
 		goto out;
 	}
 	*pidp = procdesc_pid(fp);