From 94b5efa066c1d0a05e62d9435e203afa431f8909 Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Thu, 10 Jan 2019 12:44:37 +0000 Subject: [PATCH 07/14] curl: Support auto-read-only option RH-Author: Kevin Wolf Message-id: <20190110124442.30132-8-kwolf@redhat.com> Patchwork-id: 83956 O-Subject: [RHEL-8.0 qemu-kvm PATCH 07/12] curl: Support auto-read-only option Bugzilla: 1644996 RH-Acked-by: Max Reitz RH-Acked-by: Stefan Hajnoczi RH-Acked-by: Eric Blake If read-only=off, but auto-read-only=on is given, just degrade to read-only. Signed-off-by: Kevin Wolf Reviewed-by: Eric Blake (cherry picked from commit 6ceef36acb11819b255732b1de0ca62885da04bd) Signed-off-by: Kevin Wolf Signed-off-by: Danilo C. L. de Paula --- block/curl.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/block/curl.c b/block/curl.c index 4d28f77..f0df33a 100644 --- a/block/curl.c +++ b/block/curl.c @@ -684,10 +684,10 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags, const char *protocol_delimiter; int ret; - - if (flags & BDRV_O_RDWR) { - error_setg(errp, "curl block device does not support writes"); - return -EROFS; + ret = bdrv_apply_auto_read_only(bs, "curl driver does not support writes", + errp); + if (ret < 0) { + return ret; } if (!libcurl_initialized) { -- 1.8.3.1