dahdi-linux: add multiple patch fixing compilation warning

Add multiple patch fixing compilation warning and obvius code bug.
Signed-off-by: NChristian Marangi <ansuelsmth@gmail.com>

libs/dahdi-linux/patches/200-dahdi-use-fallthrough-where-needed.patch

+From f9bc391e1cd830c830b3b4fb5fd46a59b41de373 Mon Sep 17 00:00:00 2001
+From: Christian Marangi <ansuelsmth@gmail.com>
+Date: Fri, 12 May 2023 20:18:13 +0200
+Subject: [PATCH 1/6] dahdi: use fallthrough where needed
+
+Use fallthrough instead of comment to fix compilation warning.
+
+Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
+---
+ drivers/dahdi/dahdi-base.c      | 14 +++++++-------
+ drivers/dahdi/wcaxx-base.c      |  2 ++
+ drivers/dahdi/wctdm24xxp/base.c |  2 ++
+ drivers/dahdi/xpp/card_global.c |  2 +-
+ 4 files changed, 12 insertions(+), 8 deletions(-)
+
+--- a/drivers/dahdi/dahdi-base.c
++++ b/drivers/dahdi/dahdi-base.c
+@@ -7921,7 +7921,7 @@ static inline void __dahdi_process_getau
+ 			memset(getlin, 0, DAHDI_CHUNKSIZE * sizeof(short));
+ 			txb[0] = DAHDI_LIN2X(0, ms);
+ 			memset(txb + 1, txb[0], DAHDI_CHUNKSIZE - 1);
+-			/* fall through to normal conf mode */
++			fallthrough;
+ 		case DAHDI_CONF_CONF:	/* Normal conference mode */
+ 			if (is_pseudo_chan(ms)) /* if pseudo-channel */
+ 			   {
+@@ -7945,7 +7945,7 @@ static inline void __dahdi_process_getau
+ 				memset(txb + 1, txb[0], DAHDI_CHUNKSIZE - 1);
+ 				break;
+ 		 	   }
+-			/* fall through */
++			fallthrough;
+ 		case DAHDI_CONF_CONFMON:	/* Conference monitor mode */
+ 			if (ms->confmode & DAHDI_CONF_LISTENER) {
+ 				/* Subtract out last sample written to conf */
+@@ -8484,7 +8484,7 @@ static void __dahdi_hooksig_pvt(struct d
+ 			break;
+ 		}
+ #endif
+-		/* fall through intentionally */
++		fallthrough;
+ 	   case DAHDI_SIG_FXSGS:  /* FXS Groundstart */
+ 		if (rxsig == DAHDI_RXSIG_ONHOOK) {
+ 			chan->ringdebtimer = RING_DEBOUNCE_TIME;
+@@ -8503,7 +8503,7 @@ static void __dahdi_hooksig_pvt(struct d
+ 				chan->gotgs = 1;
+ 			}
+ 		}
+-		/* fall through intentionally */
++		fallthrough;
+ 	   case DAHDI_SIG_FXOLS: /* FXO Loopstart */
+ 	   case DAHDI_SIG_FXOKS: /* FXO Kewlstart */
+ 		switch(rxsig) {
+@@ -8603,7 +8603,7 @@ void dahdi_rbsbits(struct dahdi_chan *ch
+ 			__dahdi_hooksig_pvt(chan, DAHDI_RXSIG_START);
+ 			break;
+ 		}
+-		/* Fall through */
++		fallthrough;
+ 	    case DAHDI_SIG_EM_E1:
+ 	    case DAHDI_SIG_FXOLS: /* FXO Loopstart */
+ 	    case DAHDI_SIG_FXOKS: /* FXO Kewlstart */
+@@ -8621,7 +8621,7 @@ void dahdi_rbsbits(struct dahdi_chan *ch
+ 		break;
+ 	   case DAHDI_SIG_FXSKS:  /* FXS Kewlstart */
+ 	   case DAHDI_SIG_FXSGS:  /* FXS Groundstart */
+-		/* Fall through */
++		fallthrough;
+ 	   case DAHDI_SIG_FXSLS:
+ 		if (!(cursig & DAHDI_BBIT)) {
+ 			/* Check for ringing first */
+@@ -9050,7 +9050,7 @@ static inline void __dahdi_process_putau
+ 				memcpy(ss->putlin, putlin, DAHDI_CHUNKSIZE * sizeof(short));
+ 				break;
+ 			   }
+-			/* fall through */
++			fallthrough;
+ 		case DAHDI_CONF_CONFANN:  /* Conference with announce */
+ 			if (ms->confmode & DAHDI_CONF_TALKER) {
+ 				/* Store temp value */
+--- a/drivers/dahdi/wcaxx-base.c
++++ b/drivers/dahdi/wcaxx-base.c
+@@ -1446,6 +1446,7 @@ wcaxx_check_battery_lost(struct wcaxx *w
+ 		break;
+ 	case BATTERY_UNKNOWN:
+ 		mod_hooksig(wc, mod, DAHDI_RXSIG_ONHOOK);
++		fallthrough;
+ 	case BATTERY_PRESENT:
+ 		fxo->battery_state = BATTERY_DEBOUNCING_LOST;
+ 		fxo->battdebounce_timer = wc->framecount + battdebounce;
+@@ -1554,6 +1555,7 @@ wcaxx_check_battery_present(struct wcaxx
+ 		break;
+ 	case BATTERY_UNKNOWN:
+ 		mod_hooksig(wc, mod, DAHDI_RXSIG_OFFHOOK);
++		fallthrough;
+ 	case BATTERY_LOST: /* intentional drop through */
+ 		fxo->battery_state = BATTERY_DEBOUNCING_PRESENT;
+ 		fxo->battdebounce_timer = wc->framecount + battdebounce;
+--- a/drivers/dahdi/wctdm24xxp/base.c
++++ b/drivers/dahdi/wctdm24xxp/base.c
+@@ -1955,6 +1955,7 @@ wctdm_check_battery_lost(struct wctdm *w
+ 		break;
+ 	case BATTERY_UNKNOWN:
+ 		mod_hooksig(wc, mod, DAHDI_RXSIG_ONHOOK);
++		fallthrough;
+ 	case BATTERY_PRESENT:
+ 		fxo->battery_state = BATTERY_DEBOUNCING_LOST;
+ 		fxo->battdebounce_timer = wc->framecount + battdebounce;
+@@ -2063,6 +2064,7 @@ wctdm_check_battery_present(struct wctdm
+ 		break;
+ 	case BATTERY_UNKNOWN:
+ 		mod_hooksig(wc, mod, DAHDI_RXSIG_OFFHOOK);
++		fallthrough;
+ 	case BATTERY_LOST: /* intentional drop through */
+ 		fxo->battery_state = BATTERY_DEBOUNCING_PRESENT;
+ 		fxo->battdebounce_timer = wc->framecount + battdebounce;
+--- a/drivers/dahdi/xpp/card_global.c
++++ b/drivers/dahdi/xpp/card_global.c
+@@ -148,7 +148,7 @@ static int execute_chip_command(xpd_t *x
+ 		XPD_NOTICE(xpd,
+ 			"'I' is deprecated in register commands. "
+ 			"Use 'S' instead.\n");
+-		/* fall through */
++		fallthrough;
+ 	case 'S':
+ 		do_subreg = 1;
+ 		num_args += 2;	/* register + subreg */

libs/dahdi-linux/patches/201-dahdi-fix-always-true-compilation-warning.patch

+From eea6daaa4cae1ddcd8e32c8b9e4273ba3244838c Mon Sep 17 00:00:00 2001
+From: Christian Marangi <ansuelsmth@gmail.com>
+Date: Fri, 12 May 2023 20:19:04 +0200
+Subject: [PATCH 2/6] dahdi: fix always true compilation warning
+
+Fix always true compilation warning on statically allocated array. Check
+content of the array instead.
+
+Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
+---
+ drivers/dahdi/dahdi-base.c          | 6 +++---
+ drivers/dahdi/dahdi_dynamic_ethmf.c | 2 +-
+ drivers/dahdi/xpp/xbus-core.c       | 2 +-
+ 3 files changed, 5 insertions(+), 5 deletions(-)
+
+--- a/drivers/dahdi/dahdi-base.c
++++ b/drivers/dahdi/dahdi-base.c
+@@ -923,9 +923,9 @@ static int dahdi_seq_show(struct seq_fil
+ 	if (!s)
+ 		return -ENODEV;
+ 
+-	if (s->name)
++	if (*(s->name))
+ 		seq_printf(sfile, "Span %d: %s ", s->spanno, s->name);
+-	if (s->desc)
++	if (*(s->desc))
+ 		seq_printf(sfile, "\"%s\"", s->desc);
+ 	else
+ 		seq_printf(sfile, "\"\"");
+@@ -964,7 +964,7 @@ static int dahdi_seq_show(struct seq_fil
+ 	for (x = 0; x < s->channels; x++) {
+ 		struct dahdi_chan *chan = s->chans[x];
+ 
+-		if (chan->name)
++		if (*(chan->name))
+ 			seq_printf(sfile, "\t%4d %s ", chan->channo,
+ 					chan->name);
+ 
+--- a/drivers/dahdi/dahdi_dynamic_ethmf.c
++++ b/drivers/dahdi/dahdi_dynamic_ethmf.c
+@@ -535,7 +535,7 @@ static void ztdethmf_destroy(struct dahd
+ 		kfree(z->msgbuf);
+ 		kfree(z);
+ 	} else {
+-		if (z && z->span && z->span->name) {
++		if (z && z->span && *(z->span->name)) {
+ 			printk(KERN_ERR "Cannot find interface for %s\n",
+ 				z->span->name);
+ 		}
+--- a/drivers/dahdi/xpp/xbus-core.c
++++ b/drivers/dahdi/xpp/xbus-core.c
+@@ -120,7 +120,7 @@ int xbus_check_unique(xbus_t *xbus)
+ {
+ 	if (!xbus)
+ 		return -ENOENT;
+-	if (xbus->label && *(xbus->label)) {
++	if (*(xbus->label)) {
+ 		xbus_t *xbus_old;
+ 
+ 		XBUS_DBG(DEVICES, xbus, "Checking LABEL='%s'\n", xbus->label);

libs/dahdi-linux/patches/202-dahdi-sysfs-chan-fix-bug-if-clause-does-not-guard.patch

+From d0699f781e96df6c1fd10551c92fa27695b297da Mon Sep 17 00:00:00 2001
+From: Christian Marangi <ansuelsmth@gmail.com>
+Date: Fri, 12 May 2023 20:19:45 +0200
+Subject: [PATCH 3/6] dahdi-sysfs-chan: fix bug if clause does not guard
+
+Fix bug if clause does not guard by a typo by missing the if clause and
+not correctly removing the device.
+
+Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
+---
+ drivers/dahdi/dahdi-sysfs-chan.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/dahdi/dahdi-sysfs-chan.c
++++ b/drivers/dahdi/dahdi-sysfs-chan.c
+@@ -381,10 +381,11 @@ static void fixed_devfiles_remove(void)
+ 		return;
+ 	for (i = 0; i < ARRAY_SIZE(fixed_minors); i++) {
+ 		void *d = fixed_minors[i].dev;
+-		if (d && !IS_ERR(d))
++		if (d && !IS_ERR(d)) {
+ 			dahdi_dbg(DEVICES, "Removing fixed device file %s\n",
+ 				fixed_minors[i].name);
+ 			DEL_DAHDI_DEV(fixed_minors[i].minor);
++		}
+ 	}
+ }
+ 

libs/dahdi-linux/patches/203-wcte13xp-fix-missing-break-in-t13x_set_linemode.patch

+From be9cab7860ef0872e9fa0a0bc42f1a391d7ac8da Mon Sep 17 00:00:00 2001
+From: Christian Marangi <ansuelsmth@gmail.com>
+Date: Fri, 12 May 2023 20:20:42 +0200
+Subject: [PATCH 4/6] wcte13xp: fix missing break in t13x_set_linemode
+
+Fix missing break in t13x_set_linemode as currently it does uncorrectly
+fallthrough.
+
+Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
+---
+ drivers/dahdi/wcte13xp-base.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/dahdi/wcte13xp-base.c
++++ b/drivers/dahdi/wcte13xp-base.c
+@@ -1875,6 +1875,7 @@ static int t13x_set_linemode(struct dahd
+ 			 "Changing from %s to E1 line mode.\n",
+ 			 dahdi_spantype2str(wc->span.spantype));
+ 		res = t13x_software_init(wc, J1);
++		break;
+ 	default:
+ 		dev_err(&wc->xb.pdev->dev,
+ 			"Got invalid linemode '%s' from dahdi\n",

libs/dahdi-linux/patches/204-dahdi-skip-checking-on-releasing.patch

+From 88cfe20bcd0be443fc7613fd287147d1c54b5f7f Mon Sep 17 00:00:00 2001
+From: Christian Marangi <ansuelsmth@gmail.com>
+Date: Fri, 12 May 2023 20:21:39 +0200
+Subject: [PATCH 5/6] dahdi: skip checking on releasing
+
+Skip checking on releasing since xb is statically allocated and always
+present.
+
+Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
+---
+ drivers/dahdi/wcte13xp-base.c | 3 +--
+ drivers/dahdi/wcte43x-base.c  | 3 +--
+ 2 files changed, 2 insertions(+), 4 deletions(-)
+
+--- a/drivers/dahdi/wcte13xp-base.c
++++ b/drivers/dahdi/wcte13xp-base.c
+@@ -2702,8 +2702,7 @@ static int __devinit te13xp_init_one(str
+ 	return 0;
+ 
+ fail_exit:
+-	if (&wc->xb)
+-		wcxb_release(&wc->xb);
++	wcxb_release(&wc->xb);
+ 
+ 	free_wc(wc);
+ 	return res;
+--- a/drivers/dahdi/wcte43x-base.c
++++ b/drivers/dahdi/wcte43x-base.c
+@@ -3515,8 +3515,7 @@ static int __devinit t43x_init_one(struc
+ 	return 0;
+ 
+ fail_exit:
+-	if (&wc->xb)
+-		wcxb_release(&wc->xb);
++	wcxb_release(&wc->xb);
+ 
+ 	if (debug)
+ 		dev_info(&wc->xb.pdev->dev, "***At fail_exit in init_one***\n");

libs/dahdi-linux/patches/205-dahdi-xpp-fix-wrong-printf-to-d.patch

+From 14a9e676d635b1c2be1bab4114cc76c1793892d0 Mon Sep 17 00:00:00 2001
+From: Christian Marangi <ansuelsmth@gmail.com>
+Date: Fri, 12 May 2023 20:22:31 +0200
+Subject: [PATCH 6/6] dahdi: xpp: fix wrong printf to %d
+
+Fix wrong printf that should be %d with int variables.
+
+Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
+---
+ drivers/dahdi/xpp/xbus-core.c    | 2 +-
+ drivers/dahdi/xpp/xframe_queue.c | 4 ++--
+ 2 files changed, 3 insertions(+), 3 deletions(-)
+
+--- a/drivers/dahdi/xpp/xbus-core.c
++++ b/drivers/dahdi/xpp/xbus-core.c
+@@ -1772,7 +1772,7 @@ static void xbus_fill_proc_queue(struct
+ 	s32 rem;
+ 	s64 lag_sec = div_s64_rem(q->worst_lag_usec, 1000, &rem);
+ 	seq_printf(sfile,
+-		"%-15s: counts %3d, %3d, %3d worst %3d, overflows %3d worst_lag %02lld.%ld ms\n",
++		"%-15s: counts %3d, %3d, %3d worst %3d, overflows %3d worst_lag %02lld.%d ms\n",
+ 		q->name, q->steady_state_count, q->count, q->max_count,
+ 		q->worst_count, q->overflows, lag_sec,
+ 		rem);
+--- a/drivers/dahdi/xpp/xframe_queue.c
++++ b/drivers/dahdi/xpp/xframe_queue.c
+@@ -44,7 +44,7 @@ static void __xframe_dump_queue(struct x
+ 		s32 rem;
+ 		s64 sec = div_s64_rem(ktime_us_delta(now, xframe->kt_queued), 1000, &rem);
+ 
+-		snprintf(prefix, ARRAY_SIZE(prefix), "  %3d> %5lld.%03ld msec",
++		snprintf(prefix, ARRAY_SIZE(prefix), "  %3d> %5lld.%03d msec",
+ 			 i++, sec, rem);
+ 		dump_packet(prefix, pack, 1);
+ 	}
+@@ -64,7 +64,7 @@ static bool __xframe_enqueue(struct xfra
+ 		if ((overflow_cnt++ % 1000) < 5) {
+ 			s32 rem;
+ 			s64 lag_sec = div_s64_rem(q->worst_lag_usec, 1000, &rem);
+-			NOTICE("Overflow of %-15s: counts %3d, %3d, %3d worst %3d, overflows %3d worst_lag %02lld.%ld ms\n",
++			NOTICE("Overflow of %-15s: counts %3d, %3d, %3d worst %3d, overflows %3d worst_lag %02lld.%d ms\n",
+ 			     q->name, q->steady_state_count, q->count,
+ 			     q->max_count, q->worst_count, q->overflows,
+ 			     lag_sec,