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NFSD: move from strlcpy with unused retval to strscpy

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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@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Wolfram Sang 2022-08-18 23:01:14 +02:00 committed by Chuck Lever
parent 521a547ced
commit 72f78ae00a
3 changed files with 6 additions and 6 deletions
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8
fs/nfsd/nfs4idmap.c
View File

@ -82,8 +82,8 @@ ent_init(struct cache_head *cnew, struct cache_head *citm)
new->id = itm->id;
new->type = itm->type;
strlcpy(new->name, itm->name, sizeof(new->name));
strlcpy(new->authname, itm->authname, sizeof(new->authname));
strscpy(new->name, itm->name, sizeof(new->name));
strscpy(new->authname, itm->authname, sizeof(new->authname));
}
static void
@ -548,7 +548,7 @@ idmap_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen
return nfserr_badowner;
memcpy(key.name, name, namelen);
key.name[namelen] = '\0';
strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
strscpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
ret = idmap_lookup(rqstp, nametoid_lookup, &key, nn->nametoid_cache, &item);
if (ret == -ENOENT)
return nfserr_badowner;
@ -584,7 +584,7 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr,
int ret;
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
strlcpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
strscpy(key.authname, rqst_authname(rqstp), sizeof(key.authname));
ret = idmap_lookup(rqstp, idtoname_lookup, &key, nn->idtoname_cache, &item);
if (ret == -ENOENT)
return encode_ascii_id(xdr, id);

2
fs/nfsd/nfs4proc.c
View File

@ -1343,7 +1343,7 @@ try_again:
return 0;
}
if (work) {
strlcpy(work->nsui_ipaddr, ipaddr, sizeof(work->nsui_ipaddr) - 1);
strscpy(work->nsui_ipaddr, ipaddr, sizeof(work->nsui_ipaddr) - 1);
refcount_set(&work->nsui_refcnt, 2);
work->nsui_busy = true;
list_add_tail(&work->nsui_list, &nn->nfsd_ssc_mount_list);

2
fs/nfsd/nfssvc.c
View File

@ -799,7 +799,7 @@ nfsd_svc(int nrservs, struct net *net, const struct cred *cred)
if (nrservs == 0 && nn->nfsd_serv == NULL)
goto out;
strlcpy(nn->nfsd_name, utsname()->nodename,
strscpy(nn->nfsd_name, utsname()->nodename,
sizeof(nn->nfsd_name));
error = nfsd_create_serv(net);