18 files changed, 98 insertions, 65 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 8732daeae303..a5508f930ed9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3072,6 +3072,13 @@ L:	video4linux-list@redhat.com
 W:      http://www.linux-projects.org
 S:      Maintained
 
+USB GADGET/PERIPHERAL SUBSYSTEM
+P:      David Brownell
+M:      dbrownell@users.sourceforge.net
+L:      linux-usb-devel@lists.sourceforge.net
+W:      http://www.linux-usb.org/gadget
+S:      Maintained
+
 USB HID/HIDBP DRIVERS
 P:      Vojtech Pavlik
 M:      vojtech@suse.cz
@@ -3255,10 +3262,11 @@ L:	linux-usb-users@lists.sourceforge.net
 L:      linux-usb-devel@lists.sourceforge.net
 S:      Maintained
 
-USB "USBNET" DRIVER
+USB "USBNET" DRIVER FRAMEWORK
 P:      David Brownell
 M:      dbrownell@users.sourceforge.net
 L:      linux-usb-devel@lists.sourceforge.net
+W:      http://www.linux-usb.org/usbnet
 S:      Maintained
 
 USB W996[87]CF DRIVER
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index dbc4aae91959..69163998adeb 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -255,13 +255,13 @@ static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i
  */
 static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-        static const unsigned int pirqmap[4] = { 3, 2, 5, 1 };
+        static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
         return read_config_nybble(router, 0x55, pirqmap[pirq-1]);
 }
 
 static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-        static const unsigned int pirqmap[4] = { 3, 2, 5, 1 };
+        static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
         write_config_nybble(router, 0x55, pirqmap[pirq-1], irq);
         return 1;
 }
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index eee5c1cfbe32..f3a9585e98a8 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -70,8 +70,10 @@ huge_pte_offset (struct mm_struct *mm, unsigned long addr)
  * Don't actually need to do any preparation, but need to make sure
  * the address is in the right region.
  */
-int prepare_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff)
 {
+        if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT))
+                return -EINVAL;
         if (len & ~HPAGE_MASK)
                 return -EINVAL;
         if (addr & ~HPAGE_MASK)
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index fd68b74c07c3..506d89768d45 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -491,11 +491,15 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
         return 0;
 }
 
-int prepare_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff)
 {
         int err = 0;
 
-        if ( (addr+len) < addr )
+        if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT))
+                return -EINVAL;
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
                 return -EINVAL;
 
         if (addr < 0x100000000UL)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a8fd0c3e59b3..915a55a6cc14 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5957,7 +5957,7 @@ static void __exit ata_exit(void)
         destroy_workqueue(ata_aux_wq);
 }
 
-module_init(ata_init);
+subsys_initcall(ata_init);
 module_exit(ata_exit);
 
 static unsigned long ratelimit_time;
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 6ffe2b2bdacc..4105c3bf3476 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1300,6 +1300,12 @@ static void cciss_softirq_done(struct request *rq)
 
         complete_buffers(rq->bio, rq->errors);
 
+        if (blk_fs_request(rq)) {
+                const int rw = rq_data_dir(rq);
+
+                disk_stat_add(rq->rq_disk, sectors[rw], rq->nr_sectors);
+        }
+
 #ifdef CCISS_DEBUG
         printk("Done with %p\n", rq);
 #endif                          /* CCISS_DEBUG */
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 570d2f049323..d5f519ebbc08 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -998,6 +998,7 @@ static inline void complete_buffers(struct bio *bio, int ok)
  */
 static inline void complete_command(cmdlist_t *cmd, int timeout)
 {
+        struct request *rq = cmd->rq;
         int ok=1;
         int i, ddir;
 
@@ -1029,12 +1030,18 @@ static inline void complete_command(cmdlist_t *cmd, int timeout)
                 pci_unmap_page(hba[cmd->ctlr]->pci_dev, cmd->req.sg[i].addr,
                                 cmd->req.sg[i].size, ddir);
 
-        complete_buffers(cmd->rq->bio, ok);
+        complete_buffers(rq->bio, ok);
 
-        add_disk_randomness(cmd->rq->rq_disk);
+        if (blk_fs_request(rq)) {
+                const int rw = rq_data_dir(rq);
 
-        DBGPX(printk("Done with %p\n", cmd->rq););
-        end_that_request_last(cmd->rq, ok ? 1 : -EIO);
+                disk_stat_add(rq->rq_disk, sectors[rw], rq->nr_sectors);
+        }
+
+        add_disk_randomness(rq->rq_disk);
+
+        DBGPX(printk("Done with %p\n", rq););
+        end_that_request_last(rq, ok ? 1 : -EIO);
 }
 
 /*
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index b1d5291531b7..45ed03591cd8 100644
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -459,7 +459,7 @@ ok_to_read:
 #ifdef DEBUG
         printk("%s: read: sector %ld, remaining = %ld, buffer=%p\n",
                 req->rq_disk->disk_name, req->sector, req->nr_sectors,
-                req->buffer+512));
+                req->buffer+512);
 #endif
         if (req->current_nr_sectors <= 0)
                 end_request(req, 1);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 204b1c8e972b..5b4483811691 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1460,33 +1460,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,	0x2609, quirk_intel_pcie_pm);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    0x260a, quirk_intel_pcie_pm);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL,    0x260b, quirk_intel_pcie_pm);
 
-/*
- * Fixup the cardbus bridges on the IBM Dock II docking station
- */
-static void __devinit quirk_ibm_dock2_cardbus(struct pci_dev *dev)
-{
-        u32 val;
-
-        /*
-         * tie the 2 interrupt pins to INTA, and configure the
-         * multifunction routing register to handle this.
-         */
-        if ((dev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
-                (dev->subsystem_device == 0x0148)) {
-                printk(KERN_INFO "PCI: Found IBM Dock II Cardbus Bridge "
-                        "applying quirk\n");
-                pci_read_config_dword(dev, 0x8c, &val);
-                val = ((val & 0xffffff00) | 0x1002);
-                pci_write_config_dword(dev, 0x8c, val);
-                pci_read_config_dword(dev, 0x80, &val);
-                val = ((val & 0x00ffff00) | 0x2864c077);
-                pci_write_config_dword(dev, 0x80, val);
-        }
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420,
-                                quirk_ibm_dock2_cardbus);
-
 static void __devinit quirk_netmos(struct pci_dev *dev)
 {
         unsigned int num_parallel = (dev->subsystem_device & 0xf0) >> 4;
diff --git a/drivers/video/nvidia/nv_setup.c b/drivers/video/nvidia/nv_setup.c
index 61dc46fecf2b..eab3e282a4de 100644
--- a/drivers/video/nvidia/nv_setup.c
+++ b/drivers/video/nvidia/nv_setup.c
@@ -262,7 +262,7 @@ static void nv10GetConfig(struct nvidia_par *par)
 #endif
 
         dev = pci_find_slot(0, 1);
-        if ((par->Chipset && 0xffff) == 0x01a0) {
+        if ((par->Chipset & 0xffff) == 0x01a0) {
                 int amt = 0;
 
                 pci_read_config_dword(dev, 0x7c, &amt);
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index 54c518c89e4c..38ede5c9d6fd 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -25,6 +25,14 @@ void autofs_kill_sb(struct super_block *sb)
         struct autofs_sb_info *sbi = autofs_sbi(sb);
         unsigned int n;
 
+        /*
+         * In the event of a failure in get_sb_nodev the superblock
+         * info is not present so nothing else has been setup, so
+         * just exit when we are called from deactivate_super.
+         */
+        if (!sbi)
+                return;
+
         if ( !sbi->catatonic )
                 autofs_catatonic_mode(sbi); /* Free wait queues, close pipe */
 
@@ -136,7 +144,8 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
 
         s->s_fs_info = sbi;
         sbi->magic = AUTOFS_SBI_MAGIC;
-        sbi->catatonic = 0;
+        sbi->pipe = NULL;
+        sbi->catatonic = 1;
         sbi->exp_timeout = 0;
         sbi->oz_pgrp = process_group(current);
         autofs_initialize_hash(&sbi->dirhash);
@@ -180,6 +189,7 @@ int autofs_fill_super(struct super_block *s, void *data, int silent)
         if ( !pipe->f_op || !pipe->f_op->write )
                 goto fail_fput;
         sbi->pipe = pipe;
+        sbi->catatonic = 0;
 
         /*
          * Success! Install the root dentry now to indicate completion.
@@ -198,6 +208,8 @@ fail_iput:
         iput(root_inode);
 fail_free:
         kfree(sbi);
+        s->s_fs_info = NULL;
+        kill_anon_super(s);
 fail_unlock:
         return -EINVAL;
 }
diff --git a/fs/autofs/waitq.c b/fs/autofs/waitq.c
index 633f628005b4..19a9cafb5ddf 100644
--- a/fs/autofs/waitq.c
+++ b/fs/autofs/waitq.c
@@ -41,6 +41,7 @@ void autofs_catatonic_mode(struct autofs_sb_info *sbi)
                 wq = nwq;
         }
         fput(sbi->pipe);        /* Close the pipe */
+        sbi->pipe = NULL;
         autofs_hash_dputall(&sbi->dirhash); /* Remove all dentry pointers */
 }
 
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 51fd8595bf85..ce7c0f1dd529 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -99,6 +99,9 @@ static void autofs4_force_release(struct autofs_sb_info *sbi)
         struct dentry *this_parent = sbi->sb->s_root;
         struct list_head *next;
 
+        if (!sbi->sb->s_root)
+                return;
+
         spin_lock(&dcache_lock);
 repeat:
         next = this_parent->d_subdirs.next;
@@ -146,6 +149,14 @@ void autofs4_kill_sb(struct super_block *sb)
 {
         struct autofs_sb_info *sbi = autofs4_sbi(sb);
 
+        /*
+         * In the event of a failure in get_sb_nodev the superblock
+         * info is not present so nothing else has been setup, so
+         * just exit when we are called from deactivate_super.
+         */
+        if (!sbi)
+                return;
+
         sb->s_fs_info = NULL;
 
         if ( !sbi->catatonic )
@@ -310,7 +321,8 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
         s->s_fs_info = sbi;
         sbi->magic = AUTOFS_SBI_MAGIC;
         sbi->pipefd = -1;
-        sbi->catatonic = 0;
+        sbi->pipe = NULL;
+        sbi->catatonic = 1;
         sbi->exp_timeout = 0;
         sbi->oz_pgrp = process_group(current);
         sbi->sb = s;
@@ -388,6 +400,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
                 goto fail_fput;
         sbi->pipe = pipe;
         sbi->pipefd = pipefd;
+        sbi->catatonic = 0;
 
         /*
          * Success! Install the root dentry now to indicate completion.
@@ -412,6 +425,8 @@ fail_ino:
         kfree(ino);
 fail_free:
         kfree(sbi);
+        s->s_fs_info = NULL;
+        kill_anon_super(s);
 fail_unlock:
         return -EINVAL;
 }
diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index c0a6c8d445c7..1e4a539f4417 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -41,10 +41,8 @@ void autofs4_catatonic_mode(struct autofs_sb_info *sbi)
                 wake_up_interruptible(&wq->queue);
                 wq = nwq;
         }
-        if (sbi->pipe) {
-                fput(sbi->pipe);        /* Close the pipe */
-                sbi->pipe = NULL;
-        }
+        fput(sbi->pipe);        /* Close the pipe */
+        sbi->pipe = NULL;
 }
 
 static int autofs4_write(struct file *file, const void *addr, int bytes)
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 0bea6a619e10..7f4756963d05 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -62,24 +62,19 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
         loff_t len, vma_len;
         int ret;
 
-        if (vma->vm_pgoff & (HPAGE_SIZE / PAGE_SIZE - 1))
-                return -EINVAL;
-
-        if (vma->vm_start & ~HPAGE_MASK)
-                return -EINVAL;
-
-        if (vma->vm_end & ~HPAGE_MASK)
-                return -EINVAL;
-
-        if (vma->vm_end - vma->vm_start < HPAGE_SIZE)
-                return -EINVAL;
+        /*
+         * vma alignment has already been checked by prepare_hugepage_range.
+         * If you add any error returns here, do so after setting VM_HUGETLB,
+         * so is_vm_hugetlb_page tests below unmap_region go the right way
+         * when do_mmap_pgoff unwinds (may be important on powerpc and ia64).
+         */
+        vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
+        vma->vm_ops = &hugetlb_vm_ops;
 
         vma_len = (loff_t)(vma->vm_end - vma->vm_start);
 
         mutex_lock(&inode->i_mutex);
         file_accessed(file);
-        vma->vm_flags |= VM_HUGETLB | VM_RESERVED;
-        vma->vm_ops = &hugetlb_vm_ops;
 
         ret = -ENOMEM;
         len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT);
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 5081d27bfa27..ace64e57e17f 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -60,8 +60,11 @@ void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
  * If the arch doesn't supply something else, assume that hugepage
  * size aligned regions are ok without further preparation.
  */
-static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
+static inline int prepare_hugepage_range(unsigned long addr, unsigned long len,
+                                                pgoff_t pgoff)
 {
+        if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT))
+                return -EINVAL;
         if (len & ~HPAGE_MASK)
                 return -EINVAL;
         if (addr & ~HPAGE_MASK)
@@ -69,7 +72,8 @@ static inline int prepare_hugepage_range(unsigned long addr, unsigned long len)
         return 0;
 }
 #else
-int prepare_hugepage_range(unsigned long addr, unsigned long len);
+int prepare_hugepage_range(unsigned long addr, unsigned long len,
+                                                pgoff_t pgoff);
 #endif
 
 #ifndef ARCH_HAS_SETCLEAR_HUGE_PTE
@@ -107,7 +111,7 @@ static inline unsigned long hugetlb_total_pages(void)
 #define hugetlb_report_meminfo(buf)             0
 #define hugetlb_report_node_meminfo(n, buf)     0
 #define follow_huge_pmd(mm, addr, pmd, write)   NULL
-#define prepare_hugepage_range(addr, len)       (-EINVAL)
+#define prepare_hugepage_range(addr,len,pgoff)  (-EINVAL)
 #define pmd_huge(x)     0
 #define is_hugepage_only_range(mm, addr, len)   0
 #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; })
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 6879202afe9a..b385878c6e80 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -216,6 +216,7 @@ int setup_irq(unsigned int irq, struct irqaction *new)
 {
         struct irq_desc *desc = irq_desc + irq;
         struct irqaction *old, **p;
+        const char *old_name = NULL;
         unsigned long flags;
         int shared = 0;
 
@@ -255,8 +256,10 @@ int setup_irq(unsigned int irq, struct irqaction *new)
                  * set the trigger type must match.
                  */
                 if (!((old->flags & new->flags) & IRQF_SHARED) ||
-                    ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK))
+                    ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK)) {
+                        old_name = old->name;
                         goto mismatch;
+                }
 
 #if defined(CONFIG_IRQ_PER_CPU)
                 /* All handlers must agree on per-cpuness */
@@ -322,11 +325,13 @@ int setup_irq(unsigned int irq, struct irqaction *new)
         return 0;
 
 mismatch:
-        spin_unlock_irqrestore(&desc->lock, flags);
         if (!(new->flags & IRQF_PROBE_SHARED)) {
                 printk(KERN_ERR "IRQ handler type mismatch for IRQ %d\n", irq);
+                if (old_name)
+                        printk(KERN_ERR "current handler: %s\n", old_name);
                 dump_stack();
         }
+        spin_unlock_irqrestore(&desc->lock, flags);
         return -EBUSY;
 }
 
diff --git a/mm/mmap.c b/mm/mmap.c
index 497e502dfd6b..7b40abd7cba2 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1379,7 +1379,7 @@ get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
                  * Check if the given range is hugepage aligned, and
                  * can be made suitable for hugepages.
                  */
-                ret = prepare_hugepage_range(addr, len);
+                ret = prepare_hugepage_range(addr, len, pgoff);
         } else {
                 /*
                  * Ensure that a normal request is not falling in a
@@ -1880,6 +1880,9 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
         if ((addr + len) > TASK_SIZE || (addr + len) < addr)
                 return -EINVAL;
 
+        if (is_hugepage_only_range(mm, addr, len))
+                return -EINVAL;
+
         flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
 
         error = arch_mmap_check(addr, len, flags);