Merge branch 'linus' into perfcounters/core

[safe/jmp/linux-2.6] / arch / um / os-Linux / elf_aux.c

diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 3a8d7e3..608784d 100644 (file)
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -39,6 +39,9 @@ __init void scan_elf_aux( char **envp)
                switch ( auxv->a_type ) {
                        case AT_SYSINFO:
                                __kernel_vsyscall = auxv->a_un.a_val;
+                               /* See if the page is under TASK_SIZE */
+                               if (__kernel_vsyscall < (unsigned long) envp)
+                                       __kernel_vsyscall = 0;
                                break;
                        case AT_SYSINFO_EHDR:
                                vsyscall_ehdr = auxv->a_un.a_val;