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[83.35.24.93]) by smtp.gmail.com with ESMTPSA id l9sm2358792wrp.14.2021.07.08.07.11.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jul 2021 07:11:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6dsB8cMCUImwWEL5TbAD5ltzkk64xQvJ0itCNpq6Yho=; b=sq2ZcazH8KLjVbfs8DNC0dU0zeW8YaODQ+BDsk2Nuvq1RA9eDTB3DN4Is7P9rEqJIw gUBq0ZXmGwhoL/ESSdTjTQedCiuW3hRo05t0eY6X/opdQXVos5MI0q9hdix0lHLQSFxw 32ZUEDCQWW9i90oekMe2oe/0hxctHhgtv+X1j3+YSXLNJh1tQ8WznrlEloIFVyug5HRZ 687/sChSpIeh2GgqwFV8G8zXkRVd9dlmuQQh89/jVUt3HVK6TVsbO8qLCf55M3d/cM6U XGjENMd5tL3jg+tvTH0GTcygXUzONcpYBwfoEqUJKBpMDEPZn5vmdNmZ4lScjGEXtCxi RkHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=6dsB8cMCUImwWEL5TbAD5ltzkk64xQvJ0itCNpq6Yho=; b=twRz04pGde2Ee2QRAb4geSC4PfbfgtfVmknSwUNznukfG0AS4v15MbZ8GJ79bJE71H nF5kx5xizr/hQPDM5oKC6lZtXYymFBAfD5pMXCyMatjUn9f1cGKq25WgvyAg3kNgM9yu eIGUZKvVjSG2r0zbqMcAUIQDfhlHpNND4peMpo6oMj1p3Gpu9+w5CpzkcQkxZLBv0JEe xqTvMjE0/gJUeKqYFICpcRJCO/PsJfzHeGepyhwpmA4auZSumgmpuRFn/uaxlALbwaLZ pdorx9ANiDFErj1wDlAcEQIutoWClWCcXMVNFu21dI8wKnAJwuwWIJAYGmJ+gZ17NAp+ /U7w== X-Gm-Message-State: AOAM532wk1b2eYyZxHpJ3j2SLlmYwbAS39WFxgLLgsKnK811DViH8htW Tk9Q19J7ZO3GmpgJMypXWyk= X-Google-Smtp-Source: ABdhPJzvOO31A4CMtj7pHTlY8a7A9qIM5Az6vIBQQkT/tX8K2DDwnBgWkd6pgWHlZyTpBVj1JDdZFA== X-Received: by 2002:a7b:c3d3:: with SMTP id t19mr10269663wmj.156.1625753515816; Thu, 08 Jul 2021 07:11:55 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Taylor Simpson , Laurent Vivier , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 7/8] linux-user/syscall: Introduce errno_exists() Date: Thu, 8 Jul 2021 16:11:20 +0200 Message-Id: <20210708141121.1731691-8-f4bug@amsat.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210708141121.1731691-1-f4bug@amsat.org> References: <20210708141121.1731691-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1625753518809100001 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Laurent Vivier --- linux-user/syscall.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 4842a1987b7..56682b06cbd 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -509,6 +509,11 @@ static inline int next_free_host_timer(void) =20 #define ERRNO_TABLE_SIZE 1200 =20 +static inline bool errno_exists(int err) +{ + return err >=3D 0 && err < ERRNO_TABLE_SIZE; +} + /* target_to_host_errno_table[] is initialized from * host_to_target_errno_table[] in syscall_init(). */ static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] =3D { @@ -672,7 +677,7 @@ const char *target_strerror(int err) return "Successful exit from sigreturn"; } =20 - if ((err >=3D ERRNO_TABLE_SIZE) || (err < 0)) { + if (!errno_exists(err)) { return NULL; } return strerror(target_to_host_errno(err)); --=20 2.31.1