git: 0ea12e483d96 - stable/13 - linux(4): Move len variable initialization to the appropriate place.

From: Dmitry Chagin <dchagin_at_FreeBSD.org>
Date: Fri, 17 Jun 2022 19:37:46 UTC
The branch stable/13 has been updated by dchagin:

URL: https://cgit.FreeBSD.org/src/commit/?id=0ea12e483d96a6ea4ed6f65167da612b45098ed4

commit 0ea12e483d96a6ea4ed6f65167da612b45098ed4
Author:     Dmitry Chagin <dchagin@FreeBSD.org>
AuthorDate: 2021-07-29 09:54:16 +0000
Commit:     Dmitry Chagin <dchagin@FreeBSD.org>
CommitDate: 2022-06-17 19:33:23 +0000

    linux(4): Move len variable initialization to the appropriate place.
    
    MFC after:              2 weeks
    
    (cherry picked from commit 49a5c0409bf15fc00bbe363fe7090d7b7c601985)
---
 sys/compat/linux/linux_futex.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/compat/linux/linux_futex.c b/sys/compat/linux/linux_futex.c
index ec65db3f8bd3..353b76afe8cc 100644
--- a/sys/compat/linux/linux_futex.c
+++ b/sys/compat/linux/linux_futex.c
@@ -893,7 +893,7 @@ linux_get_robust_list(struct thread *td, struct linux_get_robust_list_args *args
 {
 	struct linux_emuldata *em;
 	struct linux_robust_list_head *head;
-	l_size_t len = sizeof(struct linux_robust_list_head);
+	l_size_t len;
 	struct thread *td2;
 	int error;
 
@@ -924,6 +924,7 @@ linux_get_robust_list(struct thread *td, struct linux_get_robust_list_args *args
 		PROC_UNLOCK(td2->td_proc);
 	}
 
+	len = sizeof(struct linux_robust_list_head);
 	error = copyout(&len, args->len, sizeof(l_size_t));
 	if (error != 0)
 		return (EFAULT);