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-rw-r--r--arch/x86/kernel/xsave.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index 2f98323716d..9abac8a9d82 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -95,7 +95,9 @@ int save_i387_xstate(void __user *buf)
* Start with clearing the user buffer. This will present a
* clean context for the bytes not touched by the fxsave/xsave.
*/
- __clear_user(buf, sig_xstate_size);
+ err = __clear_user(buf, sig_xstate_size);
+ if (err)
+ return err;
if (task_thread_info(tsk)->status & TS_XSAVE)
err = xsave_user(buf);