From df561f6688fef775baa341a0f5d960becd248b11 Mon Sep 17 00:00:00 2001
From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Date: Sun, 23 Aug 2020 17:36:59 -0500
Subject: treewide: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 net/atm/common.c    | 4 ++--
 net/atm/lec.c       | 2 +-
 net/atm/resources.c | 8 ++++----
 3 files changed, 7 insertions(+), 7 deletions(-)

(limited to 'net/atm')

diff --git a/net/atm/common.c b/net/atm/common.c
index 84367b844b14..1cfa9bf1d187 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -297,7 +297,7 @@ static int adjust_tp(struct atm_trafprm *tp, unsigned char aal)
 		break;
 	default:
 		pr_warn("AAL problems ... (%d)\n", aal);
-		/* fall through */
+		fallthrough;
 	case ATM_AAL5:
 		max_sdu = ATM_MAX_AAL5_PDU;
 	}
@@ -417,7 +417,7 @@ static int __vcc_connect(struct atm_vcc *vcc, struct atm_dev *dev, short vpi,
 	case ATM_NO_AAL:
 		/* ATM_AAL5 is also used in the "0 for default" case */
 		vcc->qos.aal = ATM_AAL5;
-		/* fall through */
+		fallthrough;
 	case ATM_AAL5:
 		error = atm_init_aal5(vcc);
 		vcc->stats = &dev->stats.aal5;
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 875fc0bc1780..b570ef919c28 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -380,7 +380,7 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb)
 
 		if (mesg->content.normal.no_source_le_narp)
 			break;
-		/* FALL THROUGH */
+		fallthrough;
 	case l_arp_update:
 		lec_arp_update(priv, mesg->content.normal.mac_addr,
 			       mesg->content.normal.atm_addr,
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 94bdc6527ee8..53236986dfe0 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -266,7 +266,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len,
 				goto done;
 			}
 	}
-	/* fall through */
+		fallthrough;
 	case ATM_SETESIF:
 	{
 		unsigned char esi[ESI_LEN];
@@ -288,7 +288,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len,
 			error = -EPERM;
 			goto done;
 		}
-		/* fall through */
+		fallthrough;
 	case ATM_GETSTAT:
 		size = sizeof(struct atm_dev_stats);
 		error = fetch_stats(dev, buf, cmd == ATM_GETSTATZ);
@@ -361,7 +361,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len,
 			error = -EINVAL;
 			goto done;
 		}
-		/* fall through */
+		fallthrough;
 	case ATM_SETCIRANGE:
 	case SONET_GETSTATZ:
 	case SONET_SETDIAG:
@@ -371,7 +371,7 @@ int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len,
 			error = -EPERM;
 			goto done;
 		}
-		/* fall through */
+		fallthrough;
 	default:
 		if (IS_ENABLED(CONFIG_COMPAT) && compat) {
 #ifdef CONFIG_COMPAT
-- 
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