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Message-ID: <8c9488b0-4d91-48ac-bee7-6454e3045a9f@web.de>
Date: Fri, 29 Dec 2023 12:37:48 +0100
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Subject: [PATCH 1/2] hugetlbfs: Improve a size determination in two functions
Content-Language: en-GB
From: Markus Elfring <Markus.Elfring@web.de>
To: linux-mm@kvack.org, kernel-janitors@vger.kernel.org,
 Muchun Song <muchun.song@linux.dev>
Cc: LKML <linux-kernel@vger.kernel.org>
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 29 Dec 2023 11:32:07 +0100

Replace the specification of data structures by pointer dereferences
as the parameter for the operator =E2=80=9Csizeof=E2=80=9D to make the cor=
responding size
determination a bit safer according to the Linux coding style convention.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
=2D--
 fs/hugetlbfs/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index ea5b8e57d904..24401a5046dd 100644
=2D-- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -1460,7 +1460,7 @@ hugetlbfs_fill_super(struct super_block *sb, struct =
fs_context *fc)
 	struct hugetlbfs_fs_context *ctx =3D fc->fs_private;
 	struct hugetlbfs_sb_info *sbinfo;

-	sbinfo =3D kmalloc(sizeof(struct hugetlbfs_sb_info), GFP_KERNEL);
+	sbinfo =3D kmalloc(sizeof(*sbinfo), GFP_KERNEL);
 	if (!sbinfo)
 		return -ENOMEM;
 	sb->s_fs_info =3D sbinfo;
@@ -1530,7 +1530,7 @@ static int hugetlbfs_init_fs_context(struct fs_conte=
xt *fc)
 {
 	struct hugetlbfs_fs_context *ctx;

-	ctx =3D kzalloc(sizeof(struct hugetlbfs_fs_context), GFP_KERNEL);
+	ctx =3D kzalloc(sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;

=2D-
2.43.0