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util: be quiet when pm-is-supported is unavailable

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Look up the binary name upfront to avoid the error:
Cannot find 'pm-is-supported' in path: No such file or directory

In that case, we just assume nodesuspend is not available.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
Ján Tomko 2019-08-13 17:21:53 +02:00
parent ab895d5dc3
commit ff9aa7a862
1 changed files with 6 additions and 1 deletions
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7
src/util/virnodesuspend.c
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@ -29,6 +29,7 @@
#include "datatypes.h" #include "datatypes.h"
#include "viralloc.h" #include "viralloc.h"
#include "virfile.h"
#include "virlog.h" #include "virlog.h"
#include "virerror.h" #include "virerror.h"
@ -239,11 +240,15 @@ static int
virNodeSuspendSupportsTargetPMUtils(unsigned int target, bool *supported) virNodeSuspendSupportsTargetPMUtils(unsigned int target, bool *supported)
{ {
VIR_AUTOPTR(virCommand) cmd = NULL; VIR_AUTOPTR(virCommand) cmd = NULL;
const char *binary = "pm-is-supported"; VIR_AUTOFREE(char *) binary = NULL;
int status; int status;
*supported = false; *supported = false;
binary = virFindFileInPath("pm-is-supported");
if (!binary)
return -2;
switch (target) { switch (target) {
case VIR_NODE_SUSPEND_TARGET_MEM: case VIR_NODE_SUSPEND_TARGET_MEM:
cmd = virCommandNewArgList(binary, "--suspend", NULL); cmd = virCommandNewArgList(binary, "--suspend", NULL);