From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B97203C478 for ; Wed, 15 Nov 2023 19:58:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YbwDIfht" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6BDA6C433C8; Wed, 15 Nov 2023 19:58:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1700078282; bh=YP/ZpwDYR7+Sb2xeEn5VJZmsUAipguMxoh5Ap03q9Sc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YbwDIfhtf7gG0sRBsgvPNP2osuCOU0aD91MreF8zKuKET5YAwz4qOUggAvM1oCtRi F6NPEDDVlnfZzLrgdiE8ghQjlLlGzhm7R/HhAZwa/VxFbzH9kFI+VXQIPuryYbAoNS S/zbUVW7vPf0B1AyHiN4jfU1IuCJUfTqKQ0X+dIs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Leon Romanovsky , Dennis Dalessandro , Leon Romanovsky , Sasha Levin Subject: [PATCH 6.1 226/379] RDMA/hfi1: Workaround truncation compilation error Date: Wed, 15 Nov 2023 14:25:01 -0500 Message-ID: <20231115192658.496320274@linuxfoundation.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115192645.143643130@linuxfoundation.org> References: <20231115192645.143643130@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leon Romanovsky [ Upstream commit d4b2d165714c0ce8777d5131f6e0aad617b7adc4 ] Increase name array to be large enough to overcome the following compilation error. drivers/infiniband/hw/hfi1/efivar.c: In function ‘read_hfi1_efi_var’: drivers/infiniband/hw/hfi1/efivar.c:124:44: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=] 124 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^ drivers/infiniband/hw/hfi1/efivar.c:124:9: note: ‘snprintf’ output 2 or more bytes (assuming 65) into a destination of size 64 124 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/hfi1/efivar.c:133:52: error: ‘snprintf’ output may be truncated before the last format character [-Werror=format-truncation=] 133 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^ drivers/infiniband/hw/hfi1/efivar.c:133:17: note: ‘snprintf’ output 2 or more bytes (assuming 65) into a destination of size 64 133 | snprintf(name, sizeof(name), "%s-%s", prefix_name, kind); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[6]: *** [scripts/Makefile.build:243: drivers/infiniband/hw/hfi1/efivar.o] Error 1 Fixes: c03c08d50b3d ("IB/hfi1: Check upper-case EFI variables") Signed-off-by: Leon Romanovsky Link: https://lore.kernel.org/r/238fa39a8fd60e87a5ad7e1ca6584fcdf32e9519.1698159993.git.leonro@nvidia.com Acked-by: Dennis Dalessandro Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/hfi1/efivar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/hfi1/efivar.c b/drivers/infiniband/hw/hfi1/efivar.c index 7741a1d69097c..2b5d264f41e51 100644 --- a/drivers/infiniband/hw/hfi1/efivar.c +++ b/drivers/infiniband/hw/hfi1/efivar.c @@ -112,7 +112,7 @@ int read_hfi1_efi_var(struct hfi1_devdata *dd, const char *kind, unsigned long *size, void **return_data) { char prefix_name[64]; - char name[64]; + char name[128]; int result; /* create a common prefix */ -- 2.42.0