4 files changed, 12 insertions, 7 deletions
diff --git a/arch/ppc64/kernel/iommu.c b/arch/ppc64/kernel/iommu.c
index 8316426ccaf..845eebd1e28 100644
--- a/arch/ppc64/kernel/iommu.c
+++ b/arch/ppc64/kernel/iommu.c
@@ -242,7 +242,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
 	dma_addr_t dma_next = 0, dma_addr;
 	unsigned long flags;
 	struct scatterlist *s, *outs, *segstart;
-	int outcount;
+	int outcount, incount;
 	unsigned long handle;
 
 	BUG_ON(direction == DMA_NONE);
@@ -252,6 +252,7 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
 
 	outs = s = segstart = &sglist[0];
 	outcount = 1;
+	incount = nelems;
 	handle = 0;
 
 	/* Init first segment length for backout at failure */
@@ -338,10 +339,10 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
 
 	DBG("mapped %d elements:\n", outcount);
 
-	/* For the sake of iommu_free_sg, we clear out the length in the
+	/* For the sake of iommu_unmap_sg, we clear out the length in the
 	 * next entry of the sglist if we didn't fill the list completely
 	 */
-	if (outcount < nelems) {
+	if (outcount < incount) {
 		outs++;
 		outs->dma_address = DMA_ERROR_CODE;
 		outs->dma_length = 0;
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index 687e8559520..e9c24d2dbd9 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -706,6 +706,8 @@ void machine_power_off(void)
 	local_irq_disable();
 	while (1) ;
 }
+/* Used by the G5 thermal driver */
+EXPORT_SYMBOL_GPL(machine_power_off);
 
 void machine_halt(void)
 {
diff --git a/arch/ppc64/kernel/signal.c b/arch/ppc64/kernel/signal.c
index bf782276984..49a79a55c32 100644
--- a/arch/ppc64/kernel/signal.c
+++ b/arch/ppc64/kernel/signal.c
@@ -481,10 +481,11 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka,
 	/* Set up Signal Frame */
 	ret = setup_rt_frame(sig, ka, info, oldset, regs);
 
-	if (ret && !(ka->sa.sa_flags & SA_NODEFER)) {
+	if (ret) {
 		spin_lock_irq(&current->sighand->siglock);
 		sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
-		sigaddset(&current->blocked,sig);
+		if (!(ka->sa.sa_flags & SA_NODEFER))
+			sigaddset(&current->blocked,sig);
 		recalc_sigpending();
 		spin_unlock_irq(&current->sighand->siglock);
 	}
diff --git a/arch/ppc64/kernel/signal32.c b/arch/ppc64/kernel/signal32.c
index 3c2fa5c284c..46f4d6cc7fc 100644
--- a/arch/ppc64/kernel/signal32.c
+++ b/arch/ppc64/kernel/signal32.c
@@ -976,11 +976,12 @@ int do_signal32(sigset_t *oldset, struct pt_regs *regs)
 	else
 		ret = handle_signal32(signr, &ka, &info, oldset, regs, newsp);
 
-	if (ret && !(ka.sa.sa_flags & SA_NODEFER)) {
+	if (ret) {
 		spin_lock_irq(&current->sighand->siglock);
 		sigorsets(&current->blocked, &current->blocked,
 			  &ka.sa.sa_mask);
-		sigaddset(&current->blocked, signr);
+		if (!(ka.sa.sa_flags & SA_NODEFER))
+			sigaddset(&current->blocked, signr);
 		recalc_sigpending();
 		spin_unlock_irq(&current->sighand->siglock);
 	}