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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-24 08:01:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-24 08:01:10 -0700 |
| commit | f13771187b9423b824f32518319f6da85d819003 (patch) | |
| tree | c431cf16c286065a302d5f3fb43fc1abac7e4047 /drivers/scsi/3w-9xxx.c | |
| parent | 15953654cc312429740fd58fb37a5a3d63a54376 (diff) | |
| parent | 9f37af654fda88a8dcca74c785f6c20e52758866 (diff) | |
| download | linux-3.10-f13771187b9423b824f32518319f6da85d819003.tar.gz linux-3.10-f13771187b9423b824f32518319f6da85d819003.tar.bz2 linux-3.10-f13771187b9423b824f32518319f6da85d819003.zip | |
Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing:
uml: Pushdown the bkl from harddog_kern ioctl
sunrpc: Pushdown the bkl from sunrpc cache ioctl
sunrpc: Pushdown the bkl from ioctl
autofs4: Pushdown the bkl from ioctl
uml: Convert to unlocked_ioctls to remove implicit BKL
ncpfs: BKL ioctl pushdown
coda: Clean-up whitespace problems in pioctl.c
coda: BKL ioctl pushdown
drivers: Push down BKL into various drivers
isdn: Push down BKL into ioctl functions
scsi: Push down BKL into ioctl functions
dvb: Push down BKL into ioctl functions
smbfs: Push down BKL into ioctl function
coda/psdev: Remove BKL from ioctl function
um/mmapper: Remove BKL usage
sn_hwperf: Kill BKL usage
hfsplus: Push down BKL into ioctl function
Diffstat (limited to 'drivers/scsi/3w-9xxx.c')
| -rw-r--r-- | drivers/scsi/3w-9xxx.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 1bb774becf2..e20b7bdd4c7 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -125,7 +125,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id); static char *twa_aen_severity_lookup(unsigned char severity_code); static void twa_aen_sync_time(TW_Device_Extension *tw_dev, int request_id); -static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg); +static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static int twa_chrdev_open(struct inode *inode, struct file *file); static int twa_fill_sense(TW_Device_Extension *tw_dev, int request_id, int copy_sense, int print_host); static void twa_free_request_id(TW_Device_Extension *tw_dev,int request_id); @@ -220,7 +220,7 @@ static struct device_attribute *twa_host_attrs[] = { /* File operations struct for character device */ static const struct file_operations twa_fops = { .owner = THIS_MODULE, - .ioctl = twa_chrdev_ioctl, + .unlocked_ioctl = twa_chrdev_ioctl, .open = twa_chrdev_open, .release = NULL }; @@ -637,8 +637,9 @@ out: } /* End twa_check_srl() */ /* This function handles ioctl for the character device */ -static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + struct inode *inode = file->f_path.dentry->d_inode; long timeout; unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0; dma_addr_t dma_handle; @@ -657,6 +658,8 @@ static int twa_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int int retval = TW_IOCTL_ERROR_OS_EFAULT; void __user *argp = (void __user *)arg; + lock_kernel(); + /* Only let one of these through at a time */ if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) { retval = TW_IOCTL_ERROR_OS_EINTR; @@ -876,6 +879,7 @@ out3: out2: mutex_unlock(&tw_dev->ioctl_lock); out: + unlock_kernel(); return retval; } /* End twa_chrdev_ioctl() */ |