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[175.159.120.214]) by smtp.googlemail.com with ESMTPSA id 125sm2382037pge.45.2019.05.12.08.46.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 12 May 2019 08:46:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Kik0fJl/2iMZFqWKyvyA3O5RdlpXtiD5DVAADEVguEA=; b=Q4T5nwdeGOGTx/WILyk4aNyX8RTfTcUGnynWG1mW4nzRFTwOFGEkycEIxOPIZZTm/D skUCn1Yrjg2uXnGPWbfQ/QSgpNo7yBCHRFJ2OJkkKFg8O2tQNKLbWuLymOmv3DlEYl6a 8fGZXBvkEUmsmEugQa91tsEex+EWAxAAO6JpVcUF7YHS/uN9J+CQC1wZFJ+VigfwXcJ7 nXQruyaWJlK/CBnp1lv0xXRG0AfFmzezbW6Rfr8auX6xFap6ImaRFzEKTfvFNVmcgwFU dhO2/YxbSt+G8ZJTrDaPy2GH2QuGOj/w3pTDVWQaQUbstBy0ftA3z0YhuLEnSfyrlScZ HT+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Kik0fJl/2iMZFqWKyvyA3O5RdlpXtiD5DVAADEVguEA=; b=AnRIRL96sO4LhzENQJgh/rp+JJ/+5jD9JqL5lI9Qxi3nJG6cf4qqv3Xbc/icjMpv3J 5bLG+08INVrllQ6xRVbt9wIkRYHtLs906Paiiy/xToCVBdFDCd/44RoYEkHT5kH9nCEt nVHzHyqmQ3msE5zWja/iiyiviVaMhHGesAmWDVCt69tnyRT4IeVbZ77oHzMKkGw768Bn kyEnQ1Pl1Yo8isv21CmcElN+2uVz9NWy80bcpbcA/18aTrf+Skky1wLqt6GORt37Fnxs vApVrPBqds3VHjSUjaYQnsiamfDFR05wgDMEcVW8uIRDA0izQZ6hmT63kNLZtgMvgcUH HaDA== X-Gm-Message-State: APjAAAVQkrvF5+Z4s5NumajOTO5N7dupa3rABXhBtfdjMBL+4Bca8iZX jh5em5dlbWF53d+6W7UB7KQJbkXsjVmeE9EB X-Google-Smtp-Source: APXvYqxqjz2bXKEJkIkWaf3IffyGJh1V8pVh/26ag0S7U7h4e9WzN9gqG4RNRvEAtv4kZLdUqTMiLg== X-Received: by 2002:a17:902:5995:: with SMTP id p21mr25975831pli.216.1557676002463; Sun, 12 May 2019 08:46:42 -0700 (PDT) From: Wensheng Tang To: qemu-block@nongnu.org Date: Sun, 12 May 2019 23:46:20 +0800 Message-Id: <20190512154620.84143-1-sp3478@gmail.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::643 X-Mailman-Approved-At: Sun, 12 May 2019 12:47:49 -0400 Subject: [Qemu-devel] [PATCH] block: Make block error codes consistent X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Wensheng Tang , "open list:All patches CC here" , Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" (The last email does not include signed-off-by line. Please ignoreit) We should keep the error handling consistent. ENOMEDIUM is more meaningful = than ENOENT a when driver cannot be loaded. Signed-off-by: Wensheng Tang --- block.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block.c b/block.c index 5c2c6aa..6685be7 100644 --- a/block.c +++ b/block.c @@ -770,7 +770,7 @@ static int find_image_format(BlockBackend *file, const = char *filename, if (!drv) { error_setg(errp, "Could not determine image format: No compatible " "driver found"); - ret =3D -ENOENT; + ret =3D -ENOMEDIUM; } *pdrv =3D drv; return ret; @@ -1619,7 +1619,7 @@ static int bdrv_fill_options(QDict **options, const c= har *filename, drv =3D bdrv_find_format(drvname); if (!drv) { error_setg(errp, "Unknown driver '%s'", drvname); - return -ENOENT; + return -ENOMEDIUM; } /* If the user has explicitly specified the driver, this choice sh= ould * override the BDRV_O_PROTOCOL flag */ @@ -1655,7 +1655,7 @@ static int bdrv_fill_options(QDict **options, const c= har *filename, if (filename) { drv =3D bdrv_find_protocol(filename, parse_filename, errp); if (!drv) { - return -EINVAL; + return -ENOMEDIUM; } =20 drvname =3D drv->format_name; --=20 2.20.1 (Apple Git-117)