diff mbox series

[2/4] tools/libs/ctrl: don't set errno to a negative value

Message ID 20220420073119.16974-3-jgross@suse.com (mailing list archive)
State New, archived
Headers show
Series tools/libs: don't set errno to negative values | expand

Commit Message

Jürgen Groß April 20, 2022, 7:31 a.m. UTC
The claimed reason for setting errno to -1 is wrong. On x86
xc_domain_pod_target() will set errno to a sane value in the error
case.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 tools/libs/ctrl/xc_domain.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Andrew Cooper April 22, 2022, 2:47 p.m. UTC | #1
On 20/04/2022 08:31, Juergen Gross wrote:
> The claimed reason for setting errno to -1 is wrong. On x86
> xc_domain_pod_target() will set errno to a sane value in the error
> case.

Fixes: ff1745d5882b

> Signed-off-by: Juergen Gross <jgross@suse.com>

Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
diff mbox series

Patch

diff --git a/tools/libs/ctrl/xc_domain.c b/tools/libs/ctrl/xc_domain.c
index ef62f66009..71608c00e9 100644
--- a/tools/libs/ctrl/xc_domain.c
+++ b/tools/libs/ctrl/xc_domain.c
@@ -1293,9 +1293,7 @@  int xc_domain_get_pod_target(xc_interface *xch,
                              uint64_t *pod_cache_pages,
                              uint64_t *pod_entries)
 {
-    /* On x86 (above) xc_domain_pod_target will incorrectly return -1
-     * with errno==-1 on error. Do the same for least surprise. */
-    errno = -1;
+    errno = EOPNOTSUPP;
     return -1;
 }
 #endif