diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:45:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:45:38 -0800 |
| commit | e49aedb594dc9cd4add2f0fd7360952c11017532 (patch) | |
| tree | d29262a962727020206abd9b4cba70c47041476a /drivers/ide/ide-tape.c | |
| parent | 4ef58d4e2ad1fa2a3e5bbf41af2284671fca8cf8 (diff) | |
| parent | 4e5b932c829e9a6bf32ec80c6e1ce60121eef124 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6:
sl82c105: remove no longer needed debugging code
sis5513: remove stale TODO
pdc202xx_old: remove no longer needed debugging code
cy82c693: remove no longer needed debugging code
cmd64x: remove no longer needed debugging code
alim15x3: remove obsolete and dangerous wdc_udma parameter
ide: Increase WAIT_DRQ to accomodate some CF cards and SSD drives.
cs5535: add pci id for AMD based CS5535 controllers
slc90e66: fix UDMA handling
drivers/ide/tx4938ide.c: use resource_size()
drivers/ide/ide_platform.c: use resource_size()
drivers/ide/au1xxx-ide.c: use resource_size()
hpt366: remove dead old timing tables
ide: update Kconfig text to mark as deprecated
ide-tape: remove the BKL
hpt366: kill unused #define's
Diffstat (limited to 'drivers/ide/ide-tape.c')
| -rw-r--r-- | drivers/ide/ide-tape.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 58fc920d5c3..6a0e6254216 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -221,6 +221,8 @@ typedef struct ide_tape_obj { static DEFINE_MUTEX(idetape_ref_mutex); +static DEFINE_MUTEX(idetape_chrdev_mutex); + static struct class *idetape_sysfs_class; static void ide_tape_release(struct device *); @@ -1457,10 +1459,11 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) if (i >= MAX_HWIFS * MAX_DRIVES) return -ENXIO; - lock_kernel(); + mutex_lock(&idetape_chrdev_mutex); + tape = ide_tape_get(NULL, true, i); if (!tape) { - unlock_kernel(); + mutex_unlock(&idetape_chrdev_mutex); return -ENXIO; } @@ -1519,12 +1522,15 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) tape->door_locked = DOOR_LOCKED; } } - unlock_kernel(); + mutex_unlock(&idetape_chrdev_mutex); + return 0; out_put_tape: ide_tape_put(tape); - unlock_kernel(); + + mutex_unlock(&idetape_chrdev_mutex); + return retval; } @@ -1551,7 +1557,8 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) ide_drive_t *drive = tape->drive; unsigned int minor = iminor(inode); - lock_kernel(); + mutex_lock(&idetape_chrdev_mutex); + tape = drive->driver_data; ide_debug_log(IDE_DBG_FUNC, "enter"); @@ -1575,7 +1582,9 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) } clear_bit(ilog2(IDE_AFLAG_BUSY), &drive->atapi_flags); ide_tape_put(tape); - unlock_kernel(); + + mutex_unlock(&idetape_chrdev_mutex); + return 0; } |