From: Juergen Gross <jgross@suse.com>
Date: Wed, 20 Apr 2022 07:31:18 +0000 (+0200)
Subject: tools/libs/guest: don't set errno to a negative value
X-Git-Tag: archive/raspbian/4.17.0-1+rpi1^2~33^2~704
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=438e96ab479495a932391a22e219ee62fa8c4f47;p=xen.git

tools/libs/guest: don't set errno to a negative value

Setting errno to a negative error value makes no sense.

Fixes: cb99a64029c9 ("libxc: arm: allow passing a device tree blob to the guest")
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/tools/libs/guest/xg_dom_core.c b/tools/libs/guest/xg_dom_core.c
index c17cf9f712..c4f4e7f3e2 100644
--- a/tools/libs/guest/xg_dom_core.c
+++ b/tools/libs/guest/xg_dom_core.c
@@ -855,7 +855,7 @@ int xc_dom_devicetree_file(struct xc_dom_image *dom, const char *filename)
         return -1;
     return 0;
 #else
-    errno = -EINVAL;
+    errno = EINVAL;
     return -1;
 #endif
 }