1 files changed, 13 insertions, 1 deletions

diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h
index de39b1f343e..7d409505df2 100644
--- a/arch/mips/include/asm/ptrace.h
+++ b/arch/mips/include/asm/ptrace.h
@@ -137,7 +137,19 @@ extern int ptrace_set_watch_regs(struct task_struct *child,
  */
 #define user_mode(regs) (((regs)->cp0_status & KU_MASK) == KU_USER)
 
-#define regs_return_value(_regs) ((_regs)->regs[2])
+static inline int is_syscall_success(struct pt_regs *regs)
+{
+        return !regs->regs[7];
+}
+
+static inline long regs_return_value(struct pt_regs *regs)
+{
+        if (is_syscall_success(regs))
+                return regs->regs[2];
+        else
+                return -regs->regs[2];
+}
+
 #define instruction_pointer(regs) ((regs)->cp0_epc)
 #define profile_pc(regs) instruction_pointer(regs)