From: Sean Chang <seanwascoding@gmail.com>
To: nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev,
trond.myklebust@hammerspace.com, anna@kernel.org
Cc: netdev@vger.kernel.org, linux-nfs@vger.kernel.org,
linux-kernel@vger.kernel.org,
Sean Chang <seanwascoding@gmail.com>
Subject: [PATCH] treewide: fix unused variable and format-truncation warnings
Date: Tue, 17 Feb 2026 01:00:04 +0800 [thread overview]
Message-ID: <20260216170004.448754-1-seanwascoding@gmail.com> (raw)
Address several compiler warnings across NFS and MACB drivers to
enable a cleaner build:
- nfs: add __maybe_unused to 'err' in flexfilelayout.c
- nfs: add __maybe_unused to 'ret' in flexfilelayoutdev.c
- nfs: add __maybe_unused to 'ptr' in nfs4proc.c
- macb: use precision specifier in snprintf to ensure string fits
within ETH_GSTRING_LEN (32 bytes) in macb_main.c
Signed-off-by: Sean Chang <seanwascoding@gmail.com>
---
drivers/net/ethernet/cadence/macb_main.c | 4 ++--
fs/nfs/flexfilelayout/flexfilelayout.c | 2 +-
fs/nfs/flexfilelayout/flexfilelayoutdev.c | 3 ++-
fs/nfs/nfs4proc.c | 2 +-
4 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 43cd013bb70e..26f9ccadd9f6 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3159,8 +3159,8 @@ static void gem_get_ethtool_strings(struct net_device *dev, u32 sset, u8 *p)
for (q = 0, queue = bp->queues; q < bp->num_queues; ++q, ++queue) {
for (i = 0; i < QUEUE_STATS_LEN; i++, p += ETH_GSTRING_LEN) {
- snprintf(stat_string, ETH_GSTRING_LEN, "q%d_%s",
- q, queue_statistics[i].stat_string);
+ snprintf(stat_string, ETH_GSTRING_LEN, "q%u_%.19s",
+ q, queue_statistics[i].stat_string);
memcpy(p, stat_string, ETH_GSTRING_LEN);
}
}
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 9056f05a67dc..de9e8bad6af2 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1502,7 +1502,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
{
struct nfs4_ff_layout_mirror *mirror;
u32 status = *op_status;
- int err;
+ int err __maybe_unused;
if (status == 0) {
switch (error) {
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index c2d8a13a9dbd..3fb8dba0abf5 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -53,7 +53,8 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
u32 mp_count;
u32 version_count;
__be32 *p;
- int i, ret = -ENOMEM;
+ int i;
+ int ret __maybe_unused = -ENOMEM;
/* set up xdr stream */
scratch = folio_alloc(gfp_flags, 0);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 180229320731..f76c23cdc888 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -9241,7 +9241,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp,
int nfs4_proc_create_session(struct nfs_client *clp, const struct cred *cred)
{
int status;
- unsigned *ptr;
+ unsigned *ptr __maybe_unused;
struct nfs4_session *session = clp->cl_session;
struct nfs4_add_xprt_data xprtdata = {
.clp = clp,
--
2.34.1
reply other threads:[~2026-02-16 17:00 UTC|newest]
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