1 files changed, 15 insertions, 14 deletions

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index d33717c8afd4..57cd21c5b2c1 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -279,6 +279,7 @@ typedef struct ide_floppy_obj {
         ide_driver_t    *driver;
         struct gendisk  *disk;
         struct kref     kref;
+        unsigned int    openers;        /* protected by BKL for now */
 
         /* Current packet command */
         idefloppy_pc_t *pc;
@@ -866,7 +867,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
         if (test_and_clear_bit(PC_DMA_IN_PROGRESS, &pc->flags)) {
                 printk(KERN_ERR "ide-floppy: The floppy wants to issue "
                         "more interrupts in DMA mode\n");
-                (void)__ide_dma_off(drive);
+                ide_dma_off(drive);
                 return ide_do_reset(drive);
         }
 
@@ -1096,9 +1097,9 @@ static ide_startstop_t idefloppy_issue_pc (ide_drive_t *drive, idefloppy_pc_t *p
         pc->current_position = pc->buffer;
         bcount.all = min(pc->request_transfer, 63 * 1024);
 
-        if (test_and_clear_bit(PC_DMA_ERROR, &pc->flags)) {
-                (void)__ide_dma_off(drive);
-        }
+        if (test_and_clear_bit(PC_DMA_ERROR, &pc->flags))
+                ide_dma_off(drive);
+
         feature.all = 0;
 
         if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma)
@@ -1433,7 +1434,8 @@ static int idefloppy_get_capacity (ide_drive_t *drive)
         
         drive->bios_cyl = 0;
         drive->bios_head = drive->bios_sect = 0;
-        floppy->blocks = floppy->bs_factor = 0;
+        floppy->blocks = 0;
+        floppy->bs_factor = 1;
         set_capacity(floppy->disk, 0);
 
         idefloppy_create_read_capacity_cmd(&pc);
@@ -1949,9 +1951,9 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
 
         drive = floppy->drive;
 
-        drive->usage++;
+        floppy->openers++;
 
-        if (drive->usage == 1) {
+        if (floppy->openers == 1) {
                 clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
                 /* Just in case */
 
@@ -1969,13 +1971,11 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
                     ** capacity of the drive or begin the format - Sam
                     */
                     ) {
-                        drive->usage--;
                         ret = -EIO;
                         goto out_put_floppy;
                 }
 
                 if (floppy->wp && (filp->f_mode & 2)) {
-                        drive->usage--;
                         ret = -EROFS;
                         goto out_put_floppy;
                 }
@@ -1987,13 +1987,13 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
                 }
                 check_disk_change(inode->i_bdev);
         } else if (test_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags)) {
-                drive->usage--;
                 ret = -EBUSY;
                 goto out_put_floppy;
         }
         return 0;
 
 out_put_floppy:
+        floppy->openers--;
         ide_floppy_put(floppy);
         return ret;
 }
@@ -2007,7 +2007,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp)
         
         debug_log(KERN_INFO "Reached idefloppy_release\n");
 
-        if (drive->usage == 1) {
+        if (floppy->openers == 1) {
                 /* IOMEGA Clik! drives do not support lock/unlock commands */
                 if (!test_bit(IDEFLOPPY_CLIK_DRIVE, &floppy->flags)) {
                         idefloppy_create_prevent_cmd(&pc, 0);
@@ -2016,7 +2016,8 @@ static int idefloppy_release(struct inode *inode, struct file *filp)
 
                 clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS, &floppy->flags);
         }
-        drive->usage--;
+
+        floppy->openers--;
 
         ide_floppy_put(floppy);
 
@@ -2050,7 +2051,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file,
                 prevent = 0;
                 /* fall through */
         case CDROM_LOCKDOOR:
-                if (drive->usage > 1)
+                if (floppy->openers > 1)
                         return -EBUSY;
 
                 /* The IOMEGA Clik! Drive doesn't support this command - no room for an eject mechanism */
@@ -2072,7 +2073,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file,
                 if (!(file->f_mode & 2))
                         return -EPERM;
 
-                if (drive->usage > 1) {
+                if (floppy->openers > 1) {
                         /* Don't format if someone is using the disk */
 
                         clear_bit(IDEFLOPPY_FORMAT_IN_PROGRESS,