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

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@google.com
Assisted-by: CoPilot:1.0 [editor_update_file, make_kernel_build_single_file]
Signed-off-by: Bill Wendling <morbo@google.com>
---
Cc: Russell King <linux@armlinux.org.uk>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: WANG Xuerui <kernel@xen0n.name>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Thomas Gleixner <tglx@kernel.org>
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Cc: Dave Hansen <dave.hansen@linux.intel.com>
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Cc: Simona Vetter <simona@ffwll.ch>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
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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