um: Store syscall number after syscall_trace_enter()

To support changing syscall numbers we have to store
it after syscall_trace_enter().

Signed-off-by: Richard Weinberger <richard@nod.at>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index ad3fa3ae6d34..f3cbaef20e04 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -274,6 +274,7 @@ extern void initial_thread_cb_skas(void (*proc)(void *),
                                  void *arg);
 extern void halt_skas(void);
 extern void reboot_skas(void);
+extern int get_syscall(struct uml_pt_regs *regs);
 
 /* irq.c */
 extern int os_waiting_for_events(struct irq_fd *active_fds);