Re: [PATCH 04/14] ocfs2: move from strlcpy with unused retval to strscpy

From: Joseph Qi
Date: Sun Aug 21 2022 - 09:24:43 EST




On 8/19/22 5:01 AM, Wolfram Sang wrote:
> Follow the advice of the below link and prefer 'strscpy' in this
> subsystem. Conversion is 1:1 because the return value is not used.
> Generated by a coccinelle script.
>
> Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@xxxxxxxxxxxxxx/
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Acked-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
> ---
> fs/ocfs2/stackglue.c | 4 ++--
> fs/ocfs2/super.c | 2 +-
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
> index dd77b7aaabf5..317126261523 100644
> --- a/fs/ocfs2/stackglue.c
> +++ b/fs/ocfs2/stackglue.c
> @@ -334,10 +334,10 @@ int ocfs2_cluster_connect(const char *stack_name,
> goto out;
> }
>
> - strlcpy(new_conn->cc_name, group, GROUP_NAME_MAX + 1);
> + strscpy(new_conn->cc_name, group, GROUP_NAME_MAX + 1);
> new_conn->cc_namelen = grouplen;
> if (cluster_name_len)
> - strlcpy(new_conn->cc_cluster_name, cluster_name,
> + strscpy(new_conn->cc_cluster_name, cluster_name,
> CLUSTER_NAME_MAX + 1);
> new_conn->cc_cluster_name_len = cluster_name_len;
> new_conn->cc_recovery_handler = recovery_handler;
> diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
> index 013a727bd7c8..ec46489b6c7e 100644
> --- a/fs/ocfs2/super.c
> +++ b/fs/ocfs2/super.c
> @@ -2222,7 +2222,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
> goto out_journal;
> }
>
> - strlcpy(osb->vol_label, di->id2.i_super.s_label,
> + strscpy(osb->vol_label, di->id2.i_super.s_label,
> OCFS2_MAX_VOL_LABEL_LEN);
> osb->root_blkno = le64_to_cpu(di->id2.i_super.s_root_blkno);
> osb->system_dir_blkno = le64_to_cpu(di->id2.i_super.s_system_dir_blkno);