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From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Date: Mon, 5 Nov 2018 17:37:33 +0100
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Subject: [Qemu-devel] [PULL 25/36] curl: Support auto-read-only option
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If read-only=3Doff, but auto-read-only=3Don is given, just degrade to
read-only.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
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 *opt=
ions, 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 wr=
ites",
+ errp);
+ if (ret < 0) {
+ return ret;
}
=20
if (!libcurl_initialized) {
--=20
2.19.1