git: 176d83eafc5d - main - vfs: fix up NDFREE_PNBUF usage in vfs_mountroot_shuffle

The branch main has been updated by mjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=176d83eafc5dbeef194ed0e7b1cb24b0ba373fae

commit 176d83eafc5dbeef194ed0e7b1cb24b0ba373fae
Author:     Mateusz Guzik <mjg@FreeBSD.org>
AuthorDate: 2023-07-23 13:42:34 +0000
Commit:     Mateusz Guzik <mjg@FreeBSD.org>
CommitDate: 2023-07-23 13:44:15 +0000

    vfs: fix up NDFREE_PNBUF usage in vfs_mountroot_shuffle
    
    Noted by:       karels
---
 sys/kern/vfs_mountroot.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/sys/kern/vfs_mountroot.c b/sys/kern/vfs_mountroot.c
index 956d29e3f084..b08b2a3200f8 100644
--- a/sys/kern/vfs_mountroot.c
+++ b/sys/kern/vfs_mountroot.c
@@ -352,13 +352,13 @@ vfs_mountroot_shuffle(struct thread *td, struct mount *mpdevfs)
 		NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, fspath);
 		error = namei(&nd);
 		if (error) {
-			NDFREE_PNBUF(&nd);
 			fspath = "/mnt";
 			NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE,
 			    fspath);
 			error = namei(&nd);
 		}
 		if (!error) {
+			NDFREE_PNBUF(&nd);
 			vp = nd.ni_vp;
 			error = (vp->v_type == VDIR) ? 0 : ENOTDIR;
 			if (!error)
@@ -376,7 +376,6 @@ vfs_mountroot_shuffle(struct thread *td, struct mount *mpdevfs)
 			} else
 				vput(vp);
 		}
-		NDFREE_PNBUF(&nd);
 
 		if (error)
 			printf("mountroot: unable to remount previous root "
@@ -387,6 +386,7 @@ vfs_mountroot_shuffle(struct thread *td, struct mount *mpdevfs)
 	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, "/dev");
 	error = namei(&nd);
 	if (!error) {
+		NDFREE_PNBUF(&nd);
 		vp = nd.ni_vp;
 		error = (vp->v_type == VDIR) ? 0 : ENOTDIR;
 		if (!error)
@@ -413,7 +413,6 @@ vfs_mountroot_shuffle(struct thread *td, struct mount *mpdevfs)
 	if (error)
 		printf("mountroot: unable to remount devfs under /dev "
 		    "(error %d)\n", error);
-	NDFREE_PNBUF(&nd);
 
 	if (mporoot == mpdevfs) {
 		vfs_unbusy(mpdevfs);