x86: don't send SIGBUS for kernel page faults

[sfrench/cifs-2.6.git] / arch / x86 / mm / fault.c

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index f62777940dfbcc1ef534f9a90dbd96873ba453e1..4c4508e8a2043015c1cce3eb49a46c0c435e9297 100644 (file)
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -802,8 +802,10 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
        up_read(&mm->mmap_sem);
 
        /* Kernel mode? Handle exceptions or die: */
-       if (!(error_code & PF_USER))
+       if (!(error_code & PF_USER)) {
                no_context(regs, error_code, address);
+               return;
+       }
 
        /* User-space => ok to do another page fault: */
        if (is_prefetch(regs, error_code, address))