[PATCH 3/3] NFSD: Use new __string_len C macros for nfsd_clid_class

From: Chuck Lever
Date: Mon Jul 19 2021 - 11:04:23 EST


Clean up.

Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
fs/nfsd/trace.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/nfsd/trace.h b/fs/nfsd/trace.h
index 52a43acd546c..538520957a81 100644
--- a/fs/nfsd/trace.h
+++ b/fs/nfsd/trace.h
@@ -606,7 +606,7 @@ DECLARE_EVENT_CLASS(nfsd_clid_class,
__array(unsigned char, addr, sizeof(struct sockaddr_in6))
__field(unsigned long, flavor)
__array(unsigned char, verifier, NFS4_VERIFIER_SIZE)
- __dynamic_array(char, name, clp->cl_name.len + 1)
+ __string_len(name, name, clp->cl_name.len)
),
TP_fast_assign(
__entry->cl_boot = clp->cl_clientid.cl_boot;
@@ -616,8 +616,7 @@ DECLARE_EVENT_CLASS(nfsd_clid_class,
__entry->flavor = clp->cl_cred.cr_flavor;
memcpy(__entry->verifier, (void *)&clp->cl_verifier,
NFS4_VERIFIER_SIZE);
- memcpy(__get_str(name), clp->cl_name.data, clp->cl_name.len);
- __get_str(name)[clp->cl_name.len] = '\0';
+ __assign_str_len(name, clp->cl_name.data, clp->cl_name.len);
),
TP_printk("addr=%pISpc name='%s' verifier=0x%s flavor=%s client=%08x:%08x",
__entry->addr, __get_str(name),