What code tries to achieve is that if no flags were provided to
either 'setmem' or 'setmaxmem' commands then the old (no flags)
API is called to be able to communicate with older daemons.
Well, the code can be simplified a bit.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 tools/virsh-domain.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 7203403b31..2784e278b0 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -9018,9 +9018,6 @@ cmdSetmem(vshControl *ctl, const vshCmd *cmd)
         flags |= VIR_DOMAIN_AFFECT_CONFIG;
     if (live)
         flags |= VIR_DOMAIN_AFFECT_LIVE;
-    /* none of the options were specified */
-    if (!current && !live && !config)
-        flags = -1;
 
     if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
         return false;
@@ -9037,7 +9034,7 @@ cmdSetmem(vshControl *ctl, const vshCmd *cmd)
     }
     kibibytes = VIR_DIV_UP(bytes, 1024);
 
-    if (flags == -1) {
+    if (flags == 0) {
         if (virDomainSetMemory(dom, kibibytes) != 0)
             ret = false;
     } else {
@@ -9090,7 +9087,7 @@ cmdSetmaxmem(vshControl *ctl, const vshCmd *cmd)
     bool config = vshCommandOptBool(cmd, "config");
     bool live = vshCommandOptBool(cmd, "live");
     bool current = vshCommandOptBool(cmd, "current");
-    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT | VIR_DOMAIN_MEM_MAXIMUM;
+    unsigned int flags = VIR_DOMAIN_AFFECT_CURRENT;
 
     VSH_EXCLUSIVE_OPTIONS_VAR(current, live);
     VSH_EXCLUSIVE_OPTIONS_VAR(current, config);
@@ -9099,9 +9096,6 @@ cmdSetmaxmem(vshControl *ctl, const vshCmd *cmd)
         flags |= VIR_DOMAIN_AFFECT_CONFIG;
     if (live)
         flags |= VIR_DOMAIN_AFFECT_LIVE;
-    /* none of the options were specified */
-    if (!current && !live && !config)
-        flags = -1;
 
     if (!(dom = virshCommandOptDomain(ctl, cmd, NULL)))
         return false;
@@ -9118,13 +9112,13 @@ cmdSetmaxmem(vshControl *ctl, const vshCmd *cmd)
     }
     kibibytes = VIR_DIV_UP(bytes, 1024);
 
-    if (flags == -1) {
+    if (flags == 0) {
         if (virDomainSetMaxMemory(dom, kibibytes) != 0) {
             vshError(ctl, "%s", _("Unable to change MaxMemorySize"));
             ret = false;
         }
     } else {
-        if (virDomainSetMemoryFlags(dom, kibibytes, flags) < 0) {
+        if (virDomainSetMemoryFlags(dom, kibibytes, flags | VIR_DOMAIN_MEM_MAXIMUM) < 0) {
             vshError(ctl, "%s", _("Unable to change MaxMemorySize"));
             ret = false;
         }
-- 
2.26.2