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Message-ID: <20190125204846.GA4106@embeddedor>
Date: Fri, 25 Jan 2019 14:48:46 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: linux-kernel@...r.kernel.org
Cc: "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
Kees Cook <keescook@...omium.org>
Subject: [PATCH] ASN.1: mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warnings:
lib/asn1_decoder.c:386:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
lib/asn1_decoder.c:449:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
Warning level 3 was used: -Wimplicit-fallthrough=3
This patch is part of the ongoing efforts to enabling
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
lib/asn1_decoder.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/asn1_decoder.c b/lib/asn1_decoder.c
index dc14beae2c9a..8f3d207d2b00 100644
--- a/lib/asn1_decoder.c
+++ b/lib/asn1_decoder.c
@@ -385,6 +385,8 @@ int asn1_ber_decoder(const struct asn1_decoder *decoder,
case ASN1_OP_END_SET_ACT:
if (unlikely(!(flags & FLAG_MATCHED)))
goto tag_mismatch;
+ /* fall through */
+
case ASN1_OP_END_SEQ:
case ASN1_OP_END_SET_OF:
case ASN1_OP_END_SEQ_OF:
@@ -450,6 +452,8 @@ int asn1_ber_decoder(const struct asn1_decoder *decoder,
pc += asn1_op_lengths[op];
goto next_op;
}
+ /* fall through */
+
case ASN1_OP_ACT:
ret = actions[machine[pc + 1]](context, hdr, tag, data + tdp, len);
if (ret < 0)
--
2.20.1
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