Merge tag 'pci-v4.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

[karo-tx-linux.git] / arch / x86 / um / ptrace_32.c

diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c
index 5766ead6fdb9679907c63aa78f8becccc8d9ecff..60a5a5a85505dd25305aea03d0850613e51ee791 100644 (file)
--- a/arch/x86/um/ptrace_32.c
+++ b/arch/x86/um/ptrace_32.c
@@ -36,7 +36,8 @@ int is_syscall(unsigned long addr)
                 * slow, but that doesn't matter, since it will be called only
                 * in case of singlestepping, if copy_from_user failed.
                 */
-               n = access_process_vm(current, addr, &instr, sizeof(instr), 0);
+               n = access_process_vm(current, addr, &instr, sizeof(instr),
+                               FOLL_FORCE);
                if (n != sizeof(instr)) {
                        printk(KERN_ERR "is_syscall : failed to read "
                               "instruction from 0x%lx\n", addr);