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author | Jens Axboe <jaxboe@fusionio.com> | 2010-06-01 12:42:12 +0200 |
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committer | Jens Axboe <jaxboe@fusionio.com> | 2010-06-01 12:42:12 +0200 |
commit | b4ca761577535b2b4d153689ee97342797dfff05 (patch) | |
tree | 29054d55508f1faa22ec32acf7c245751af03348 /drivers/char/raw.c | |
parent | 28f4197e5d4707311febeec8a0eb97cb5fd93c97 (diff) | |
parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
download | lwn-b4ca761577535b2b4d153689ee97342797dfff05.tar.gz lwn-b4ca761577535b2b4d153689ee97342797dfff05.zip |
Merge branch 'master' into for-linus
Conflicts:
fs/pipe.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/char/raw.c')
-rw-r--r-- | drivers/char/raw.c | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 8756ab0daa8b..b38942f6bf31 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -121,13 +121,17 @@ static int raw_release(struct inode *inode, struct file *filp) /* * Forward ioctls to the underlying block device. */ -static int -raw_ioctl(struct inode *inode, struct file *filp, - unsigned int command, unsigned long arg) +static long +raw_ioctl(struct file *filp, unsigned int command, unsigned long arg) { struct block_device *bdev = filp->private_data; + int ret; + + lock_kernel(); + ret = blkdev_ioctl(bdev, 0, command, arg); + unlock_kernel(); - return blkdev_ioctl(bdev, 0, command, arg); + return ret; } static void bind_device(struct raw_config_request *rq) @@ -141,13 +145,14 @@ static void bind_device(struct raw_config_request *rq) * Deal with ioctls against the raw-device control interface, to bind * and unbind other raw devices. */ -static int raw_ctl_ioctl(struct inode *inode, struct file *filp, - unsigned int command, unsigned long arg) +static long raw_ctl_ioctl(struct file *filp, unsigned int command, + unsigned long arg) { struct raw_config_request rq; struct raw_device_data *rawdev; int err = 0; + lock_kernel(); switch (command) { case RAW_SETBIND: case RAW_GETBIND: @@ -240,25 +245,26 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, break; } out: + unlock_kernel(); return err; } static const struct file_operations raw_fops = { - .read = do_sync_read, - .aio_read = generic_file_aio_read, - .write = do_sync_write, - .aio_write = blkdev_aio_write, - .fsync = blkdev_fsync, - .open = raw_open, - .release= raw_release, - .ioctl = raw_ioctl, - .owner = THIS_MODULE, + .read = do_sync_read, + .aio_read = generic_file_aio_read, + .write = do_sync_write, + .aio_write = blkdev_aio_write, + .fsync = blkdev_fsync, + .open = raw_open, + .release = raw_release, + .unlocked_ioctl = raw_ioctl, + .owner = THIS_MODULE, }; static const struct file_operations raw_ctl_fops = { - .ioctl = raw_ctl_ioctl, - .open = raw_open, - .owner = THIS_MODULE, + .unlocked_ioctl = raw_ctl_ioctl, + .open = raw_open, + .owner = THIS_MODULE, }; static struct cdev raw_cdev; |