Merge branch 'akpm' (patches from Andrew)

Merge misc fixes from Andrew Morton:
 "A bunch of fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  slub: mark the dangling ifdef #else of CONFIG_SLUB_DEBUG
  slub: avoid irqoff/on in bulk allocation
  slub: create new ___slab_alloc function that can be called with irqs disabled
  mm: fix up sparse warning in gfpflags_allow_blocking
  ocfs2: fix umask ignored issue
  PM/OPP: add entry in MAINTAINERS
  kernel/panic.c: turn off locks debug before releasing console lock
  kernel/signal.c: unexport sigsuspend()
  kasan: fix kmemleak false-positive in kasan_module_alloc()
  fat: fix fake_offset handling on error path
  mm/hugetlbfs: fix bugs in fallocate hole punch of areas with holes
  mm/page-writeback.c: initialize m_dirty to avoid compile warning
  various: fix pci_set_dma_mask return value checking
  mm: loosen MADV_NOHUGEPAGE to enable Qemu postcopy on s390
  mm: vmalloc: don't remove inexistent guard hole in remove_vm_area()
  tools/vm/page-types.c: support KPF_IDLE
  ncpfs: don't allow negative timeouts
  configfs: allow dynamic group creation
  MAINTAINERS: add Moritz as reviewer for FPGA Manager Framework
  slab.h: sprinkle __assume_aligned attributes

10 files changed, 20 insertions, 17 deletions

diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c
index 35759a9..e8f8472 100644
--- a/drivers/media/pci/cx23885/cx23885-core.c
+++ b/drivers/media/pci/cx23885/cx23885-core.c
@@ -1992,9 +1992,9 @@ static int cx23885_initdev(struct pci_dev *pci_dev,
 		(unsigned long long)pci_resource_start(pci_dev, 0));
 
 	pci_set_master(pci_dev);
-	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+	err = pci_set_dma_mask(pci_dev, 0xffffffff);
+	if (err) {
 		printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
-		err = -EIO;
 		goto fail_context;
 	}
 
diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index dbc695f..0042803 100644
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -1319,7 +1319,8 @@ static int cx25821_initdev(struct pci_dev *pci_dev,
 		dev->pci_lat, (unsigned long long)dev->base_io_addr);
 
 	pci_set_master(pci_dev);
-	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+	err = pci_set_dma_mask(pci_dev, 0xffffffff);
+	if (err) {
 		pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
 		err = -EIO;
 		goto fail_irq;
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 0ed1b65..1b5268f 100644
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -890,9 +890,9 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
 		return err;
 	}
 
-	if (!pci_set_dma_mask(pci,DMA_BIT_MASK(32))) {
+	err = pci_set_dma_mask(pci,DMA_BIT_MASK(32));
+	if (err) {
 		dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
-		err = -EIO;
 		cx88_core_put(core, pci);
 		return err;
 	}
diff --git a/drivers/media/pci/cx88/cx88-mpeg.c b/drivers/media/pci/cx88/cx88-mpeg.c
index 9db7767..f34c229 100644
--- a/drivers/media/pci/cx88/cx88-mpeg.c
+++ b/drivers/media/pci/cx88/cx88-mpeg.c
@@ -393,7 +393,8 @@ static int cx8802_init_common(struct cx8802_dev *dev)
 	if (pci_enable_device(dev->pci))
 		return -EIO;
 	pci_set_master(dev->pci);
-	if (!pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32))) {
+	err = pci_set_dma_mask(dev->pci,DMA_BIT_MASK(32));
+	if (err) {
 		printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name);
 		return -EIO;
 	}
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index 0de1ad5..aef9acf 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -1314,9 +1314,9 @@ static int cx8800_initdev(struct pci_dev *pci_dev,
 	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 
 	pci_set_master(pci_dev);
-	if (!pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32))) {
+	err = pci_set_dma_mask(pci_dev,DMA_BIT_MASK(32));
+	if (err) {
 		printk("%s/0: Oops: no 32bit PCI DMA ???\n",core->name);
-		err = -EIO;
 		goto fail_core;
 	}
 	dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 60b2d46..3fdbd81 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -810,7 +810,7 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev,
 		"%s(): board vendor 0x%x, revision 0x%x\n",
 		__func__, board_vendor, board_revision);
 	pci_set_master(pci_dev);
-	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+	if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) {
 		dev_err(&pci_dev->dev,
 			"%s(): 32bit PCI DMA is not supported\n", __func__);
 		goto pci_detect_err;
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c
index e79d63e..f720cea 100644
--- a/drivers/media/pci/saa7134/saa7134-core.c
+++ b/drivers/media/pci/saa7134/saa7134-core.c
@@ -951,9 +951,9 @@ static int saa7134_initdev(struct pci_dev *pci_dev,
 	       pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 	       dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
 	pci_set_master(pci_dev);
-	if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
+	err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+	if (err) {
 		pr_warn("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
-		err = -EIO;
 		goto fail1;
 	}
 
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index 8f36b48..8bbd092 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -1264,9 +1264,9 @@ static int saa7164_initdev(struct pci_dev *pci_dev,
 
 	pci_set_master(pci_dev);
 	/* TODO */
-	if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+	err = pci_set_dma_mask(pci_dev, 0xffffffff);
+	if (err) {
 		printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
-		err = -EIO;
 		goto fail_irq;
 	}
 
diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c
index 8c5655d..4e77618 100644
--- a/drivers/media/pci/tw68/tw68-core.c
+++ b/drivers/media/pci/tw68/tw68-core.c
@@ -257,9 +257,9 @@ static int tw68_initdev(struct pci_dev *pci_dev,
 		dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
 		dev->pci_lat, (u64)pci_resource_start(pci_dev, 0));
 	pci_set_master(pci_dev);
-	if (!pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
+	err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+	if (err) {
 		pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
-		err = -EIO;
 		goto fail1;
 	}
 
diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
index e2afabf..7ccebae 100644
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -1500,10 +1500,11 @@ pcnet32_probe_pci(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -ENODEV;
 	}
 
-	if (!pci_set_dma_mask(pdev, PCNET32_DMA_MASK)) {
+	err = pci_set_dma_mask(pdev, PCNET32_DMA_MASK);
+	if (err) {
 		if (pcnet32_debug & NETIF_MSG_PROBE)
 			pr_err("architecture does not support 32bit PCI busmaster DMA\n");
-		return -ENODEV;
+		return err;
 	}
 	if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) {
 		if (pcnet32_debug & NETIF_MSG_PROBE)