X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=virt%2Fkvm%2Fkvm_main.c;h=ff42b11d2b9cd36abb497cb9bbc6dbcb10553577;hp=1c6e8476b244577098a697e30424894b8d11b038;hb=2ea75be3219571d0ec009ce20d9971e54af96e09;hpb=234b239bea395316d7f78018c672f4a88b3cdf0d

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 1c6e8476b244..ff42b11d2b9c 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -52,6 +52,7 @@
 
 #include <asm/processor.h>
 #include <asm/io.h>
+#include <asm/ioctl.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 
@@ -2032,6 +2033,9 @@ static long kvm_vcpu_ioctl(struct file *filp,
 	if (vcpu->kvm->mm != current->mm)
 		return -EIO;
 
+	if (unlikely(_IOC_TYPE(ioctl) != KVMIO))
+		return -EINVAL;
+
 #if defined(CONFIG_S390) || defined(CONFIG_PPC) || defined(CONFIG_MIPS)
 	/*
 	 * Special cases: vcpu ioctls that are asynchronous to vcpu execution,