diff --git a/linux-user/main.c b/linux-user/main.c
index dfc098f121..04a9b9b4c1 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1376,6 +1376,9 @@ void cpu_loop (CPUSPARCState *env)
                               env->regwptr[2], env->regwptr[3],
                               env->regwptr[4], env->regwptr[5],
                               0, 0);
+            if (ret == -TARGET_ERESTARTSYS || ret == -TARGET_QEMU_ESIGRETURN) {
+                break;
+            }
             if ((abi_ulong)ret >= (abi_ulong)(-515)) {
 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
                 env->xcc |= PSR_CARRY;
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 14e58b05b2..e742347a26 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -2449,7 +2449,7 @@ long do_sigreturn(CPUSPARCState *env)
         goto segv_and_exit;
     }
     unlock_user_struct(sf, sf_addr, 0);
-    return env->regwptr[0];
+    return -TARGET_QEMU_ESIGRETURN;
 
 segv_and_exit:
     unlock_user_struct(sf, sf_addr, 0);
diff --git a/linux-user/sparc/target_signal.h b/linux-user/sparc/target_signal.h
index c7de300cd7..2df38c805f 100644
--- a/linux-user/sparc/target_signal.h
+++ b/linux-user/sparc/target_signal.h
@@ -33,4 +33,5 @@ static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
     return state->regwptr[UREG_FP];
 }
 
+
 #endif /* TARGET_SIGNAL_H */
diff --git a/linux-user/sparc64/target_signal.h b/linux-user/sparc64/target_signal.h
index c7de300cd7..2df38c805f 100644
--- a/linux-user/sparc64/target_signal.h
+++ b/linux-user/sparc64/target_signal.h
@@ -33,4 +33,5 @@ static inline abi_ulong get_sp_from_cpustate(CPUSPARCState *state)
     return state->regwptr[UREG_FP];
 }
 
+
 #endif /* TARGET_SIGNAL_H */