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Diffstat (limited to 'include/asm-x86/i387.h')
-rw-r--r--include/asm-x86/i387.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index da2adb45f6e..6b722d31593 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -175,7 +175,15 @@ static inline int save_i387(struct _fpstate __user *buf)
*/
static inline int restore_i387(struct _fpstate __user *buf)
{
- set_used_math();
+ struct task_struct *tsk = current;
+ int err;
+
+ if (!used_math()) {
+ err = init_fpu(tsk);
+ if (err)
+ return err;
+ }
+
if (!(task_thread_info(current)->status & TS_USEDFPU)) {
clts();
task_thread_info(current)->status |= TS_USEDFPU;