From: Juergen Gross <jgross@suse.com>
Date: Tue, 9 Jun 2020 14:48:50 +0000 (+0200)
Subject: tools: fix setting of errno in xenhypfs_read_raw()
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~89
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=058023b343d4e366864831db46e9b438e9e3a178;p=xen.git

tools: fix setting of errno in xenhypfs_read_raw()

Setting of errno is wrong in xenhypfs_read_raw(), fix it.

Reported-by: George Dunlap <george.dunlap@citrix.com>
Fixes: 86234eafb9529 ("libs: add libxenhypfs")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Release-acked-by: Paul Durrant <paul@xen.org>
Acked-by: Wei Liu <wl@xen.org>
---

diff --git a/tools/libs/hypfs/core.c b/tools/libs/hypfs/core.c
index fc23b02586..f94c5ea1e2 100644
--- a/tools/libs/hypfs/core.c
+++ b/tools/libs/hypfs/core.c
@@ -241,10 +241,8 @@ void *xenhypfs_read_raw(xenhypfs_handle *fshdl, const char *path,
         if (!ret)
             break;
 
-        if (ret != ENOBUFS) {
-            errno = -ret;
+        if (errno != ENOBUFS)
             goto out;
-        }
     }
 
     content = malloc(entry->content_len);