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kvm tools: cleanup kvm_cmd_resume()

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Use stack variable.
Remove unneeded branch.
Close opened file.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Lai Jiangshan
2015-06-01 16:39:50 +01:00
committed by Will Deacon
parent 0b235f6b59
commit 4a0016ec5f
1 changed files with 10 additions and 6 deletions
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builtin-resume.c
+10 -6
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@@ -15,7 +15,6 @@ struct resume_cmd {
};
static bool all;
static int instance;
static const char *instance_name;
static const char * const resume_usage[] = {
@@ -59,20 +58,25 @@ static int do_resume(const char *name, int sock)
int kvm_cmd_resume(int argc, const char **argv, const char *prefix)
{
int instance;
int r;
parse_resume_options(argc, argv);
if (all)
return kvm__enumerate_instances(do_resume);
if (instance_name == NULL &&
instance == 0)
if (instance_name == NULL)
kvm_resume_help();
if (instance_name)
instance = kvm__get_sock_by_instance(instance_name);
instance = kvm__get_sock_by_instance(instance_name);
if (instance <= 0)
die("Failed locating instance");
return do_resume(instance_name, instance);
r = do_resume(instance_name, instance);
close(instance);
return r;
}