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[Qemu-devel] [PULL 25/36] curl: Support auto-read-only option


From: Kevin Wolf
Subject: [Qemu-devel] [PULL 25/36] curl: Support auto-read-only option
Date: Mon, 5 Nov 2018 17:37:33 +0100

If read-only=off, but auto-read-only=on is given, just degrade to
read-only.

Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
 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 
*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) {
-- 
2.19.1




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