These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / x86 / lib / usercopy.c

diff --git a/kernel/arch/x86/lib/usercopy.c b/kernel/arch/x86/lib/usercopy.c
index ddf9ecb..e342586 100644 (file)
--- a/kernel/arch/x86/lib/usercopy.c
+++ b/kernel/arch/x86/lib/usercopy.c
@@ -20,7 +20,7 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n)
        unsigned long ret;
 
        if (__range_not_ok(from, n, TASK_SIZE))
-               return 0;
+               return n;
 
        /*
         * Even though this function is typically called from NMI/IRQ context