[PATCH] x86/fpu: Fix get_xsave_addr which returns error pointer to KVM

[Huaitong Han]

when KVM uses the get_xsave_addr, xsave parameter belongs to guest vcpu, if
xsave is replaced with current task (host) xsave, get_xsave_addr will return 
error
xsave addr to KVM.

Signed-off-by: Huaitong Han <huaitong....@intel.com>
---
 arch/x86/kernel/fpu/xstate.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 62fc001..2c4ac07 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -402,7 +402,6 @@ void *get_xsave_addr(struct xregs_state *xsave, int 
xstate_feature)
        if (!boot_cpu_has(X86_FEATURE_XSAVE))
                return NULL;
 
-       xsave = &current->thread.fpu.state.xsave;
        /*
         * We should not ever be requesting features that we
         * have not enabled.  Remember that pcntxt_mask is
-- 
2.4.3

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