Use struct_size() to calculate the number of bytes to allocate for a cloned acl.
Signed-off-by: Thorsten Blum <thorsten.b...@linux.dev> --- fs/f2fs/acl.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index 8bffdeccdbc3..1fbc0607363b 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -296,9 +296,8 @@ static struct posix_acl *f2fs_acl_clone(const struct posix_acl *acl, struct posix_acl *clone = NULL; if (acl) { - int size = sizeof(struct posix_acl) + acl->a_count * - sizeof(struct posix_acl_entry); - clone = kmemdup(acl, size, flags); + clone = kmemdup(acl, struct_size(acl, a_entries, acl->a_count), + flags); if (clone) refcount_set(&clone->a_refcount, 1); } -- 2.46.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel