[xen master] tools/libs/light: don't set errno to a negative value

[patchbot@xxxxxxx]

commit 2419a159fb943c24a6f2439604b9fdb1478fcd08
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Wed Apr 20 09:31:19 2022 +0200
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Fri Apr 22 20:39:34 2022 +0100

    tools/libs/light: don't set errno to a negative value
    
    Setting errno to a negative value makes no sense.
    
    Fixes: e78e8b9bb649 ("libxl: Add interface for querying hypervisor about 
PCI topology")
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 tools/libs/light/libxl_linux.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/libs/light/libxl_linux.c b/tools/libs/light/libxl_linux.c
index 8d62dfd255..27f2bce718 100644
--- a/tools/libs/light/libxl_linux.c
+++ b/tools/libs/light/libxl_linux.c
@@ -288,7 +288,7 @@ int libxl__pci_topology_init(libxl__gc *gc,
         if (i == num_devs) {
             LOG(ERROR, "Too many devices");
             err = ERROR_FAIL;
-            errno = -ENOSPC;
+            errno = ENOSPC;
             goto out;
         }
 
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