x86: make X86_32 pt_regs members unsigned long

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 8 insertions, 5 deletions

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 34fc0416b135..b1e97e80a57c 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -527,7 +527,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
         int ret;
 
         /* Are we from a system call? */
-        if (regs->orig_ax >= 0) {
+        if ((long)regs->orig_ax >= 0) {
                 /* If so, check system call restarting.. */
                 switch (regs->ax) {
                         case -ERESTART_RESTARTBLOCK:
@@ -625,7 +625,7 @@ static void do_signal(struct pt_regs *regs)
         }
 
         /* Did we come from a system call? */
-        if (regs->orig_ax >= 0) {
+        if ((long)regs->orig_ax >= 0) {
                 /* Restart the system call - no handlers present */
                 switch (regs->ax) {
                 case -ERESTARTNOHAND:
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index 708337a36727..bc442461ac64 100644
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -42,12 +42,12 @@ struct pt_regs {
         unsigned long si;
         unsigned long di;
         unsigned long bp;
-        long ax;
+        unsigned long ax;
         unsigned long ds;
         unsigned long es;
         unsigned long fs;
         /* int  gs; */
-        long orig_ax;
+        unsigned long orig_ax;
         unsigned long ip;
         unsigned long cs;
         unsigned long flags;
@@ -145,7 +145,10 @@ extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int erro
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 #endif
 
-#define regs_return_value(regs) ((regs)->ax)
+static inline unsigned long regs_return_value(struct pt_regs *regs)
+{
+        return regs->ax;
+}
 
 /*
  * user_mode_vm(regs) determines whether a register set came from user mode.