git: 03562adbefb8 - stable/13 - msdosfs deextend(): memoize DETOV(dep)

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=03562adbefb80ba94bebe602fc051bbc4292cb37

commit 03562adbefb80ba94bebe602fc051bbc4292cb37
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2023-02-11 18:05:14 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2023-02-19 05:16:25 +0000

    msdosfs deextend(): memoize DETOV(dep)
    
    (cherry picked from commit 67dc1e7b0457ec014a1291c5874decdefe7bffdd)
---
 sys/fs/msdosfs/msdosfs_denode.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sys/fs/msdosfs/msdosfs_denode.c b/sys/fs/msdosfs/msdosfs_denode.c
index 8511d873ea50..003c710801ee 100644
--- a/sys/fs/msdosfs/msdosfs_denode.c
+++ b/sys/fs/msdosfs/msdosfs_denode.c
@@ -494,13 +494,14 @@ int
 deextend(struct denode *dep, u_long length, struct ucred *cred)
 {
 	struct msdosfsmount *pmp = dep->de_pmp;
+	struct vnode *vp = DETOV(dep);
 	u_long count;
 	int error;
 
 	/*
 	 * The root of a DOS filesystem cannot be extended.
 	 */
-	if ((DETOV(dep)->v_vflag & VV_ROOT) && !FAT32(pmp))
+	if ((vp->v_vflag & VV_ROOT) != 0 && !FAT32(pmp))
 		return (EINVAL);
 
 	/*
@@ -526,10 +527,10 @@ deextend(struct denode *dep, u_long length, struct ucred *cred)
 			return (error);
 		}
 	}
-	vnode_pager_setsize(DETOV(dep), length);
+	vnode_pager_setsize(vp, length);
 	dep->de_FileSize = length;
 	dep->de_flag |= DE_UPDATE | DE_MODIFIED;
-	return (deupdat(dep, !DOINGASYNC(DETOV(dep))));
+	return (deupdat(dep, !DOINGASYNC(vp)));
 }
 
 /*