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Mon, 18 Sep 2023 12:27:01 +0000 (UTC) Received: from thuth-p1g4.str.redhat.com (dhcp-192-205.str.redhat.com [10.33.192.205]) by smtp.corp.redhat.com (Postfix) with ESMTP id 24130492C37 for ; Mon, 18 Sep 2023 12:27:01 +0000 (UTC) From: Thomas Huth To: slof@lists.ozlabs.org Date: Mon, 18 Sep 2023 14:26:58 +0200 Message-ID: <20230918122659.92014-2-thuth@redhat.com> In-Reply-To: <20230918122659.92014-1-thuth@redhat.com> References: <20230918122659.92014-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [SLOF] [PATCH 1/2] lib/libtpm: Silence compiler warnings about bad zero-length array access X-BeenThere: slof@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Patches for https://github.com/aik/SLOF" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: slof-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "SLOF" GCC v13.2.1 complains: tcgbios.c: In function ‘tpm20_write_EfiSpecIdEventStruct’: tcgbios.c:708:38: warning: array subscript ‘numAlgs’ is outside the bounds of an interior zero-length array ‘struct TCG_EfiSpecIdEventAlgorithmSize[0]’ [-Wzero-length-bounds] 708 | event.hdr.digestSizes[numAlgs].algorithmId = | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~ Let's use the undefined array length declaration instead to make GCC here happy again. Signed-off-by: Thomas Huth --- lib/libtpm/tcgbios_int.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/libtpm/tcgbios_int.h b/lib/libtpm/tcgbios_int.h index 22df31d..cc38455 100644 --- a/lib/libtpm/tcgbios_int.h +++ b/lib/libtpm/tcgbios_int.h @@ -89,7 +89,7 @@ struct TCG_EfiSpecIdEventStruct { struct TCG_EfiSpecIdEventAlgorithmSize { uint16_t algorithmId; uint16_t digestSize; - } digestSizes[0]; + } digestSizes[]; /* uint8_t vendorInfoSize; uint8_t vendorInfo[0];