[PATCH 26/28] wifi: wil6210: Refactor resume_triggers2string() to use seq_buf

From: Bill Wendling

Date: Tue Sep 15 2026 - 05:22:43 EST


resume_triggers2string() builds a space-separated string of active resume
trigger names using a series of conditional strlcat() calls.

In preparation for removing the deprecated strlcat() API[1], replace the
strlcat() calls with struct seq_buf and seq_buf_puts().

Link: https://github.com/KSPP/linux/issues/370 [1]
Cc: codemender-patching+linux@xxxxxxxxxx
Assisted-by: CoPilot:1.0 [editor_update_file, make_kernel_build_single_file]
Signed-off-by: Bill Wendling <morbo@xxxxxxxxxx>
---
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---
drivers/net/wireless/ath/wil6210/wmi.c | 38 ++++++++++++++------------
1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 479b2418ca34..fcc9e9eb5732 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -7,6 +7,7 @@
#include <linux/moduleparam.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
+#include <linux/seq_buf.h>

#include "wil6210.h"
#include "txrx.h"
@@ -3162,27 +3163,30 @@ int wmi_suspend(struct wil6210_priv *wil)

static void resume_triggers2string(u32 triggers, char *string, int str_size)
{
- string[0] = '\0';
+ struct seq_buf s;
+
+ seq_buf_init(&s, string, str_size);

if (!triggers) {
- strlcat(string, " UNKNOWN", str_size);
- return;
+ seq_buf_puts(&s, " UNKNOWN");
+ } else {
+ if (triggers & WMI_RESUME_TRIGGER_HOST)
+ seq_buf_puts(&s, " HOST");
+
+ if (triggers & WMI_RESUME_TRIGGER_UCAST_RX)
+ seq_buf_puts(&s, " UCAST_RX");
+
+ if (triggers & WMI_RESUME_TRIGGER_BCAST_RX)
+ seq_buf_puts(&s, " BCAST_RX");
+
+ if (triggers & WMI_RESUME_TRIGGER_WMI_EVT)
+ seq_buf_puts(&s, " WMI_EVT");
+
+ if (triggers & WMI_RESUME_TRIGGER_DISCONNECT)
+ seq_buf_puts(&s, " DISCONNECT");
}

- if (triggers & WMI_RESUME_TRIGGER_HOST)
- strlcat(string, " HOST", str_size);
-
- if (triggers & WMI_RESUME_TRIGGER_UCAST_RX)
- strlcat(string, " UCAST_RX", str_size);
-
- if (triggers & WMI_RESUME_TRIGGER_BCAST_RX)
- strlcat(string, " BCAST_RX", str_size);
-
- if (triggers & WMI_RESUME_TRIGGER_WMI_EVT)
- strlcat(string, " WMI_EVT", str_size);
-
- if (triggers & WMI_RESUME_TRIGGER_DISCONNECT)
- strlcat(string, " DISCONNECT", str_size);
+ seq_buf_str(&s);
}

int wmi_resume(struct wil6210_priv *wil)
--
2.55.0.1032.g73a4cd73de-goog