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Message-ID: <20190212204600.GA24049@embeddedor>
Date:   Tue, 12 Feb 2019 14:46:00 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Paul Moore <paul@...l-moore.com>, Eric Paris <eparis@...hat.com>
Cc:     linux-audit@...hat.com, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Kees Cook <keescook@...omium.org>
Subject: [PATCH] audit: mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.

This patch fixes the following warning:

kernel/auditfilter.c: In function ‘audit_krule_to_data’:
kernel/auditfilter.c:668:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if (krule->pflags & AUDIT_LOGINUID_LEGACY && !f->val) {
       ^
kernel/auditfilter.c:674:3: note: here
   default:
   ^~~~~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

Notice that, in this particular case, the code comment is modified
in accordance with what GCC is expecting to find.

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 kernel/auditfilter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index add360b46b38..63f8b3f26fab 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -670,7 +670,7 @@ static struct audit_rule_data *audit_krule_to_data(struct audit_krule *krule)
 				data->values[i] = AUDIT_UID_UNSET;
 				break;
 			}
-			/* fallthrough if set */
+			/* fall through - if set */
 		default:
 			data->values[i] = f->val;
 		}
-- 
2.20.1

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