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[Qemu-devel] [PATCH v2] block/curl.c: Refuse to open the handle for writ
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From: |
Richard W.M. Jones |
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Subject: |
[Qemu-devel] [PATCH v2] block/curl.c: Refuse to open the handle for writes. |
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Date: |
Mon, 10 Jun 2013 12:38:43 +0100 |
From: "Richard W.M. Jones" <address@hidden>
Signed-off-by: Richard W.M. Jones <address@hidden>
Signed-off-by: Fam Zheng <address@hidden>
---
block/curl.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/block/curl.c b/block/curl.c
index b8935fd..b634ccf 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -406,6 +406,12 @@ static int curl_open(BlockDriverState *bs, QDict *options,
int flags)
static int inited = 0;
+ if (flags & BDRV_O_RDWR) {
+ qerror_report(ERROR_CLASS_GENERIC_ERROR,
+ "curl block device does not support writes");
+ return -EROFS;
+ }
+
opts = qemu_opts_create_nofail(&runtime_opts);
qemu_opts_absorb_qdict(opts, options, &local_err);
if (error_is_set(&local_err)) {
--
1.8.2.1