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[Qemu-devel] [PATCH 6/8] vl.c: disallow command line fw cfg without opt/


From: minyard
Subject: [Qemu-devel] [PATCH 6/8] vl.c: disallow command line fw cfg without opt/
Date: Thu, 7 Dec 2017 15:30:11 -0600

From: "Michael S. Tsirkin" <address@hidden>

Allowing arbitary file names on command line is setting us up for
failure: future guests will look for a specific QEMU-specified name and
will get confused finding a user file there.

Signed-off-by: Michael S. Tsirkin <address@hidden>
[Change "warning" to "error" in the error report.]
Signed-off-by: Corey Minyard <address@hidden>
---
 vl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/vl.c b/vl.c
index 1ad1c04..fae9300 100644
--- a/vl.c
+++ b/vl.c
@@ -2400,8 +2400,9 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, 
Error **errp)
         return -1;
     }
     if (strncmp(name, "opt/", 4) != 0) {
-        warn_report("externally provided fw_cfg item names "
-                    "should be prefixed with \"opt/\"");
+        error_report("error: externally provided fw_cfg item names "
+                     "should be prefixed with \"opt/\"");
+        return -1;
     }
     if (nonempty_str(str)) {
         size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
-- 
2.7.4




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