From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52744) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gJhxy-0004k2-SK for qemu-devel@nongnu.org; Mon, 05 Nov 2018 11:43:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gJhxw-0007kI-FN for qemu-devel@nongnu.org; Mon, 05 Nov 2018 11:43:06 -0500 From: Kevin Wolf Date: Mon, 5 Nov 2018 17:37:33 +0100 Message-Id: <20181105163744.25139-26-kwolf@redhat.com> In-Reply-To: <20181105163744.25139-1-kwolf@redhat.com> References: <20181105163744.25139-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 25/36] curl: Support auto-read-only option List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org If read-only=3Doff, but auto-read-only=3Don is given, just degrade to read-only. Signed-off-by: Kevin Wolf Reviewed-by: Eric Blake --- block/curl.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/block/curl.c b/block/curl.c index fabb2b4da7..db5d2bd8ef 100644 --- a/block/curl.c +++ b/block/curl.c @@ -684,10 +684,10 @@ static int curl_open(BlockDriverState *bs, QDict *o= ptions, int flags, const char *protocol_delimiter; int ret; =20 - - if (flags & BDRV_O_RDWR) { - error_setg(errp, "curl block device does not support writes"); - return -EROFS; + ret =3D bdrv_apply_auto_read_only(bs, "curl driver does not support = writes", + errp); + if (ret < 0) { + return ret; } =20 if (!libcurl_initialized) { --=20 2.19.1