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kvm tools: Avoid overwriting socket files with same name

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This patch prevents overwriting socket files by running two instances with
the same name.

Reported-by: Osier Yang <jyang@redhat.com>
Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Sasha Levin
2011-10-25 15:21:49 +02:00
committed by Will Deacon
parent 84e1040433
commit fa0022d276
1 changed files with 3 additions and 0 deletions
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kvm.c
+3
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@@ -157,6 +157,9 @@ static int kvm__create_socket(struct kvm *kvm)
sprintf(full_name, "%s", kvm__get_dir());
mkdir(full_name, 0777);
sprintf(full_name, "%s/%s.sock", kvm__get_dir(), kvm->name);
if (access(full_name, F_OK) == 0)
die("Socket file %s already exist", full_name);
s = socket(AF_UNIX, SOCK_STREAM, 0);
if (s < 0)
return s;