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ASN.1: mark expected switch fall-through

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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.

Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
This commit is contained in:
Gustavo A. R. Silva 2019-01-25 14:46:46 -06:00
parent 8a05452ca4
commit afb33e40d5
1 changed files with 4 additions and 0 deletions
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4
lib/asn1_decoder.c
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@ -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)