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authorMatthias Kaehlcke <matthias.kaehlcke@gmail.com>2007-07-09 23:17:56 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2007-07-09 23:17:56 +0200
commitf9383c4269d264c3cf563bd2de365891f6592ebd (patch)
tree7f1f3525c51237dc5806d17dd2c68c19d47a493b /drivers/ide/ide-disk.c
parent1b9da32a2855afa3c5f27690e03a33dc97410c42 (diff)
downloadop-kernel-dev-f9383c4269d264c3cf563bd2de365891f6592ebd.zip
op-kernel-dev-f9383c4269d264c3cf563bd2de365891f6592ebd.tar.gz
ide: use mutex instead of ide_setting_sem semaphore in IDE driver
The IDE driver uses a semaphore as mutex. Use the mutex API instead of the (binary) semaphore. Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --
Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r--drivers/ide/ide-disk.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index dc2175c..b1304a7 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1190,11 +1190,11 @@ static int idedisk_ioctl(struct inode *inode, struct file *file,
return generic_ide_ioctl(drive, file, bdev, cmd, arg);
read_val:
- down(&ide_setting_sem);
+ mutex_lock(&ide_setting_mtx);
spin_lock_irqsave(&ide_lock, flags);
err = *val;
spin_unlock_irqrestore(&ide_lock, flags);
- up(&ide_setting_sem);
+ mutex_unlock(&ide_setting_mtx);
return err >= 0 ? put_user(err, (long __user *)arg) : err;
set_val:
@@ -1204,9 +1204,9 @@ set_val:
if (!capable(CAP_SYS_ADMIN))
err = -EACCES;
else {
- down(&ide_setting_sem);
+ mutex_lock(&ide_setting_mtx);
err = setfunc(drive, arg);
- up(&ide_setting_sem);
+ mutex_unlock(&ide_setting_mtx);
}
}
return err;
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