Merge ../linux-2.6

11 files changed, 39 insertions, 41 deletions

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 9bdea2a5cf0e..45bcda544880 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -41,6 +41,7 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/jiffies.h>
 #include <linux/random.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -311,11 +312,10 @@ static boolean DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller)
                 CommandsRemaining = CommandAllocationGroupSize;
           CommandGroupByteCount =
                 CommandsRemaining * CommandAllocationLength;
-          AllocationPointer = kmalloc(CommandGroupByteCount, GFP_ATOMIC);
+          AllocationPointer = kzalloc(CommandGroupByteCount, GFP_ATOMIC);
           if (AllocationPointer == NULL)
                 return DAC960_Failure(Controller,
                                         "AUXILIARY STRUCTURE CREATION");
-          memset(AllocationPointer, 0, CommandGroupByteCount);
          }
       Command = (DAC960_Command_T *) AllocationPointer;
       AllocationPointer += CommandAllocationLength;
@@ -2709,14 +2709,12 @@ DAC960_DetectController(struct pci_dev *PCI_Device,
   void __iomem *BaseAddress;
   int i;
 
-  Controller = (DAC960_Controller_T *)
-        kmalloc(sizeof(DAC960_Controller_T), GFP_ATOMIC);
+  Controller = kzalloc(sizeof(DAC960_Controller_T), GFP_ATOMIC);
   if (Controller == NULL) {
         DAC960_Error("Unable to allocate Controller structure for "
                        "Controller at\n", NULL);
         return NULL;
   }
-  memset(Controller, 0, sizeof(DAC960_Controller_T));
   Controller->ControllerNumber = DAC960_ControllerCount;
   DAC960_Controllers[DAC960_ControllerCount++] = Controller;
   Controller->Bus = PCI_Device->bus->number;
@@ -3657,8 +3655,8 @@ static void DAC960_V1_ProcessCompletedCommand(DAC960_Command_T *Command)
               (NewEnquiry->EventLogSequenceNumber !=
                OldEnquiry->EventLogSequenceNumber) ||
               Controller->MonitoringTimerCount == 0 ||
-              (jiffies - Controller->SecondaryMonitoringTime
-               >= DAC960_SecondaryMonitoringInterval))
+              time_after_eq(jiffies, Controller->SecondaryMonitoringTime
+               + DAC960_SecondaryMonitoringInterval))
             {
               Controller->V1.NeedLogicalDriveInformation = true;
               Controller->V1.NewEventLogSequenceNumber =
@@ -5643,8 +5641,8 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
       unsigned int StatusChangeCounter =
         Controller->V2.HealthStatusBuffer->StatusChangeCounter;
       boolean ForceMonitoringCommand = false;
-      if (jiffies - Controller->SecondaryMonitoringTime
-          > DAC960_SecondaryMonitoringInterval)
+      if (time_after(jiffies, Controller->SecondaryMonitoringTime
+          + DAC960_SecondaryMonitoringInterval))
         {
           int LogicalDriveNumber;
           for (LogicalDriveNumber = 0;
@@ -5672,8 +5670,8 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
            ControllerInfo->ConsistencyChecksActive +
            ControllerInfo->RebuildsActive +
            ControllerInfo->OnlineExpansionsActive == 0 ||
-           jiffies - Controller->PrimaryMonitoringTime
-           < DAC960_MonitoringTimerInterval) &&
+           time_before(jiffies, Controller->PrimaryMonitoringTime
+           + DAC960_MonitoringTimerInterval)) &&
           !ForceMonitoringCommand)
         {
           Controller->MonitoringTimer.expires =
@@ -5810,8 +5808,8 @@ static void DAC960_Message(DAC960_MessageLevel_T MessageLevel,
       Controller->ProgressBufferLength = Length;
       if (Controller->EphemeralProgressMessage)
         {
-          if (jiffies - Controller->LastProgressReportTime
-              >= DAC960_ProgressReportingInterval)
+          if (time_after_eq(jiffies, Controller->LastProgressReportTime
+              + DAC960_ProgressReportingInterval))
             {
               printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel],
                      Controller->ControllerNumber, Buffer);
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 875ae7699025..ae0949b3394f 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -383,8 +383,9 @@ config BLK_DEV_RAM
           thus say N here.
 
 config BLK_DEV_RAM_COUNT
-        int "Default number of RAM disks" if BLK_DEV_RAM
+        int "Default number of RAM disks"
         default "16"
+        depends on BLK_DEV_RAM
         help
           The default value is 16 RAM disks. Change this if you know what
           are doing. If you boot from a filesystem that needs to be extracted
diff --git a/drivers/block/acsi_slm.c b/drivers/block/acsi_slm.c
index a5c1c8e871ec..4cb9c1336287 100644
--- a/drivers/block/acsi_slm.c
+++ b/drivers/block/acsi_slm.c
@@ -369,8 +369,6 @@ static ssize_t slm_read( struct file *file, char *buf, size_t count,
         int length;
         int end;
 
-        if (count < 0)
-                return( -EINVAL );
         if (!(page = __get_free_page( GFP_KERNEL )))
                 return( -ENOMEM );
         
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 71ec9e664383..1b0fd31c57c3 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -996,13 +996,11 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
                         status = -EINVAL;
                         goto cleanup1;
                 }
-                buff = (unsigned char **) kmalloc(MAXSGENTRIES * 
-                                sizeof(char *), GFP_KERNEL);
+                buff = kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL);
                 if (!buff) {
                         status = -ENOMEM;
                         goto cleanup1;
                 }
-                memset(buff, 0, MAXSGENTRIES);
                 buff_size = (int *) kmalloc(MAXSGENTRIES * sizeof(int), 
                                         GFP_KERNEL);
                 if (!buff_size) {
@@ -2729,9 +2727,9 @@ static void __devinit cciss_interrupt_mode(ctlr_info_t *c, struct pci_dev *pdev,
                         return;
                 }
         }
+default_int_mode:
 #endif /* CONFIG_PCI_MSI */
         /* if we get here we're going to use the default interrupt mode */
-default_int_mode:
         c->intr[SIMPLE_MODE_INT] = pdev->irq;
         return;
 }
@@ -2940,13 +2938,12 @@ static void cciss_getgeometry(int cntl_num)
         int block_size;
         int total_size; 
 
-        ld_buff = kmalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
+        ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
         if (ld_buff == NULL)
         {
                 printk(KERN_ERR "cciss: out of memory\n");
                 return;
         }
-        memset(ld_buff, 0, sizeof(ReportLunData_struct));
         size_buff = kmalloc(sizeof( ReadCapdata_struct), GFP_KERNEL);
         if (size_buff == NULL)
         {
@@ -3060,10 +3057,9 @@ static int alloc_cciss_hba(void)
         for(i=0; i< MAX_CTLR; i++) {
                 if (!hba[i]) {
                         ctlr_info_t *p;
-                        p = kmalloc(sizeof(ctlr_info_t), GFP_KERNEL);
+                        p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
                         if (!p)
                                 goto Enomem;
-                        memset(p, 0, sizeof(ctlr_info_t));
                         for (n = 0; n < NWD; n++)
                                 p->gendisk[n] = disk[n];
                         hba[i] = p;
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 0e66e904bd8c..597c007fe81b 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -1027,12 +1027,11 @@ cciss_update_non_disk_devices(int cntl_num, int hostno)
         int i;
 
         c = (ctlr_info_t *) hba[cntl_num];      
-        ld_buff = kmalloc(reportlunsize, GFP_KERNEL);
+        ld_buff = kzalloc(reportlunsize, GFP_KERNEL);
         if (ld_buff == NULL) {
                 printk(KERN_ERR "cciss: out of memory\n");
                 return;
         }
-        memset(ld_buff, 0, reportlunsize);
         inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL);
         if (inq_buff == NULL) {
                 printk(KERN_ERR "cciss: out of memory\n");
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index d3ad9081697e..bedb689b051f 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -170,6 +170,7 @@ static int print_unex = 1;
 #include <linux/mm.h>
 #include <linux/bio.h>
 #include <linux/string.h>
+#include <linux/jiffies.h>
 #include <linux/fcntl.h>
 #include <linux/delay.h>
 #include <linux/mc146818rtc.h>  /* CMOS defines */
@@ -747,7 +748,7 @@ static int disk_change(int drive)
 {
         int fdc = FDC(drive);
 #ifdef FLOPPY_SANITY_CHECK
-        if (jiffies - UDRS->select_date < UDP->select_delay)
+        if (time_before(jiffies, UDRS->select_date + UDP->select_delay))
                 DPRINT("WARNING disk change called early\n");
         if (!(FDCS->dor & (0x10 << UNIT(drive))) ||
             (FDCS->dor & 3) != UNIT(drive) || fdc != FDC(drive)) {
@@ -1075,7 +1076,7 @@ static int fd_wait_for_completion(unsigned long delay, timeout_fn function)
                 return 1;
         }
 
-        if ((signed)(jiffies - delay) < 0) {
+        if (time_before(jiffies, delay)) {
                 del_timer(&fd_timer);
                 fd_timer.function = function;
                 fd_timer.expires = delay;
@@ -1535,7 +1536,7 @@ static void setup_rw_floppy(void)
                  * again just before spinup completion. Beware that
                  * after scandrives, we must again wait for selection.
                  */
-                if ((signed)(ready_date - jiffies) > DP->select_delay) {
+                if (time_after(ready_date, jiffies + DP->select_delay)) {
                         ready_date -= DP->select_delay;
                         function = (timeout_fn) floppy_start;
                 } else
@@ -3823,7 +3824,7 @@ static int check_floppy_change(struct gendisk *disk)
         if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY))
                 return 1;
 
-        if (UDP->checkfreq < (int)(jiffies - UDRS->last_checked)) {
+        if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
                 if (floppy_grab_irq_and_dma()) {
                         return 1;
                 }
diff --git a/drivers/block/paride/bpck6.c b/drivers/block/paride/bpck6.c
index 08d858ad64db..41a237c5957d 100644
--- a/drivers/block/paride/bpck6.c
+++ b/drivers/block/paride/bpck6.c
@@ -224,10 +224,9 @@ static void bpck6_log_adapter( PIA *pi, char * scratch, int verbose )
 
 static int bpck6_init_proto(PIA *pi)
 {
-        Interface *p = kmalloc(sizeof(Interface), GFP_KERNEL);
+        Interface *p = kzalloc(sizeof(Interface), GFP_KERNEL);
 
         if (p) {
-                memset(p, 0, sizeof(Interface));
                 pi->private = (unsigned long)p;
                 return 0;
         }
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 62d2464c12f2..2403721f9db1 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -151,6 +151,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
 #include <linux/cdrom.h>        /* for the eject ioctl */
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
+#include <linux/kernel.h>
 #include <asm/uaccess.h>
 #include <linux/sched.h>
 #include <linux/workqueue.h>
@@ -275,7 +276,7 @@ static void pd_print_error(struct pd_unit *disk, char *msg, int status)
         int i;
 
         printk("%s: %s: status = 0x%x =", disk->name, msg, status);
-        for (i = 0; i < 18; i++)
+        for (i = 0; i < ARRAY_SIZE(pd_errs); i++)
                 if (status & (1 << i))
                         printk(" %s", pd_errs[i]);
         printk("\n");
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 6f5df0fad703..79b868254032 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -643,7 +643,8 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t
 
 static int __init pg_init(void)
 {
-        int unit, err = 0;
+        int unit;
+        int err;
 
         if (disable){
                 err = -1;
@@ -657,16 +658,17 @@ static int __init pg_init(void)
                 goto out;
         }
 
-        if (register_chrdev(major, name, &pg_fops)) {
+        err = register_chrdev(major, name, &pg_fops);
+        if (err < 0) {
                 printk("pg_init: unable to get major number %d\n", major);
                 for (unit = 0; unit < PG_UNITS; unit++) {
                         struct pg *dev = &devices[unit];
                         if (dev->present)
                                 pi_release(dev->pi);
                 }
-                err = -1;
                 goto out;
         }
+        major = err;    /* In case the user specified `major=0' (dynamic) */
         pg_class = class_create(THIS_MODULE, "pg");
         if (IS_ERR(pg_class)) {
                 err = PTR_ERR(pg_class);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 715ae5dc88fb..d2013d362403 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -943,7 +943,8 @@ static ssize_t pt_write(struct file *filp, const char __user *buf, size_t count,
 
 static int __init pt_init(void)
 {
-        int unit, err = 0;
+        int unit;
+        int err;
 
         if (disable) {
                 err = -1;
@@ -955,14 +956,15 @@ static int __init pt_init(void)
                 goto out;
         }
 
-        if (register_chrdev(major, name, &pt_fops)) {
+        err = register_chrdev(major, name, &pt_fops);
+        if (err < 0) {
                 printk("pt_init: unable to get major number %d\n", major);
                 for (unit = 0; unit < PT_UNITS; unit++)
                         if (pt[unit].present)
                                 pi_release(pt[unit].pi);
-                err = -1;
                 goto out;
         }
+        major = err;
         pt_class = class_create(THIS_MODULE, "pt");
         if (IS_ERR(pt_class)) {
                 err = PTR_ERR(pt_class);
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index c16e66b9c7a7..f7d4c65a7b8c 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -50,6 +50,7 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
+#include <linux/dma-mapping.h>
 
 #include <linux/fcntl.h>        /* O_ACCMODE */
 #include <linux/hdreg.h>  /* HDIO_GETGEO */
@@ -881,8 +882,8 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
         printk(KERN_INFO "Micro Memory(tm) controller #%d found at %02x:%02x (PCI Mem Module (Battery Backup))\n",
                card->card_number, dev->bus->number, dev->devfn);
 
-        if (pci_set_dma_mask(dev, 0xffffffffffffffffLL) &&
-            pci_set_dma_mask(dev, 0xffffffffLL)) {
+        if (pci_set_dma_mask(dev, DMA_64BIT_MASK) &&
+            pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
                 printk(KERN_WARNING "MM%d: NO suitable DMA found\n",num_cards);
                 return  -ENOMEM;
         }