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authorRick Macklem <rmacklem@FreeBSD.org>2025-10-29 00:28:04 +0000
committerRick Macklem <rmacklem@FreeBSD.org>2025-10-29 00:28:04 +0000
commit73551cd6eac29a6707c802c7d7fafcb560bf5e2b (patch)
treed1aeb856cf6a0344135ba11b15c4fc5e3f9067f3
parent88a53301e198b043e9b046b1c824eae5a24064f9 (diff)
nfs_commonsubs.c: Get rid of variable used as a constant
The variable ncl_mbuf_mhlen is set to MHLEN and only used in one place. This patch simply deletes it and replaces it with MHLEN. This patch should not affect semantics. Spotted while fixing cases that could do large NFSM_DISSECT() sizes. MFC after: 2 weeks
-rw-r--r--sys/fs/nfs/nfs_commonsubs.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/fs/nfs/nfs_commonsubs.c b/sys/fs/nfs/nfs_commonsubs.c
index 8e1a26eef354..f580a394a735 100644
--- a/sys/fs/nfs/nfs_commonsubs.c
+++ b/sys/fs/nfs/nfs_commonsubs.c
@@ -194,7 +194,6 @@ struct nfsv4_opflag nfsv4_opflag[NFSV42_NOPS] = {
{ 0, 1, 1, 1, LK_EXCLUSIVE, 1, 1 }, /* Removexattr */
};
-static int ncl_mbuf_mhlen = MHLEN;
struct nfsrv_lughash {
struct mtx mtx;
struct nfsuserhashhead lughead;
@@ -770,7 +769,7 @@ nfsm_dissct(struct nfsrv_descript *nd, int siz, int how)
nd->nd_dpos += siz;
} else if (nd->nd_md->m_next == NULL) {
return (retp);
- } else if (siz > ncl_mbuf_mhlen) {
+ } else if (siz > MHLEN) {
panic("nfs S too big");
} else {
MGET(mp2, how, MT_DATA);