diff options
Diffstat (limited to 'drivers/sbus/char/openprom.c')
| -rw-r--r-- | drivers/sbus/char/openprom.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c index fc2f676e984d..d53e62ab09da 100644 --- a/drivers/sbus/char/openprom.c +++ b/drivers/sbus/char/openprom.c @@ -298,9 +298,9 @@ static int opromgetbootargs(void __user *argp, struct openpromio *op, int bufsiz /* * SunOS and Solaris /dev/openprom ioctl calls. */ -static int openprom_sunos_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg, - struct device_node *dp) +static long openprom_sunos_ioctl(struct file * file, + unsigned int cmd, unsigned long arg, + struct device_node *dp) { DATA *data = file->private_data; struct openpromio *opp = NULL; @@ -316,6 +316,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file, if (bufsize < 0) return bufsize; + lock_kernel(); + switch (cmd) { case OPROMGETOPT: case OPROMGETPROP: @@ -365,6 +367,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file, } kfree(opp); + unlock_kernel(); + return error; } @@ -547,13 +551,14 @@ static int opiocgetnext(unsigned int cmd, void __user *argp) return 0; } -static int openprom_bsd_ioctl(struct inode * inode, struct file * file, +static int openprom_bsd_ioctl(struct file * file, unsigned int cmd, unsigned long arg) { DATA *data = (DATA *) file->private_data; void __user *argp = (void __user *)arg; int err; + lock_kernel(); switch (cmd) { case OPIOCGET: err = opiocget(argp, data); @@ -570,10 +575,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file, case OPIOCGETOPTNODE: BUILD_BUG_ON(sizeof(phandle) != sizeof(int)); + err = 0; if (copy_to_user(argp, &options_node->phandle, sizeof(phandle))) - return -EFAULT; - - return 0; + err = -EFAULT; + break; case OPIOCGETNEXT: case OPIOCGETCHILD: @@ -581,9 +586,10 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file, break; default: - return -EINVAL; - + err = -EINVAL; + break; }; + unlock_kernel(); return err; } @@ -592,8 +598,8 @@ static int openprom_bsd_ioctl(struct inode * inode, struct file * file, /* * Handoff control to the correct ioctl handler. */ -static int openprom_ioctl(struct inode * inode, struct file * file, - unsigned int cmd, unsigned long arg) +static long openprom_ioctl(struct file * file, + unsigned int cmd, unsigned long arg) { DATA *data = (DATA *) file->private_data; @@ -602,14 +608,14 @@ static int openprom_ioctl(struct inode * inode, struct file * file, case OPROMNXTOPT: if ((file->f_mode & FMODE_READ) == 0) return -EPERM; - return openprom_sunos_ioctl(inode, file, cmd, arg, + return openprom_sunos_ioctl(file, cmd, arg, options_node); case OPROMSETOPT: case OPROMSETOPT2: if ((file->f_mode & FMODE_WRITE) == 0) return -EPERM; - return openprom_sunos_ioctl(inode, file, cmd, arg, + return openprom_sunos_ioctl(file, cmd, arg, options_node); case OPROMNEXT: @@ -618,7 +624,7 @@ static int openprom_ioctl(struct inode * inode, struct file * file, case OPROMNXTPROP: if ((file->f_mode & FMODE_READ) == 0) return -EPERM; - return openprom_sunos_ioctl(inode, file, cmd, arg, + return openprom_sunos_ioctl(file, cmd, arg, data->current_node); case OPROMU2P: @@ -630,7 +636,7 @@ static int openprom_ioctl(struct inode * inode, struct file * file, case OPROMPATH2NODE: if ((file->f_mode & FMODE_READ) == 0) return -EPERM; - return openprom_sunos_ioctl(inode, file, cmd, arg, NULL); + return openprom_sunos_ioctl(file, cmd, arg, NULL); case OPIOCGET: case OPIOCNEXTPROP: @@ -639,12 +645,12 @@ static int openprom_ioctl(struct inode * inode, struct file * file, case OPIOCGETCHILD: if ((file->f_mode & FMODE_READ) == 0) return -EBADF; - return openprom_bsd_ioctl(inode,file,cmd,arg); + return openprom_bsd_ioctl(file,cmd,arg); case OPIOCSET: if ((file->f_mode & FMODE_WRITE) == 0) return -EBADF; - return openprom_bsd_ioctl(inode,file,cmd,arg); + return openprom_bsd_ioctl(file,cmd,arg); default: return -EINVAL; @@ -676,7 +682,7 @@ static long openprom_compat_ioctl(struct file *file, unsigned int cmd, case OPROMSETCUR: case OPROMPCI2NODE: case OPROMPATH2NODE: - rval = openprom_ioctl(file->f_path.dentry->d_inode, file, cmd, arg); + rval = openprom_ioctl(file, cmd, arg); break; } @@ -709,7 +715,7 @@ static int openprom_release(struct inode * inode, struct file * file) static const struct file_operations openprom_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .ioctl = openprom_ioctl, + .unlocked_ioctl = openprom_ioctl, .compat_ioctl = openprom_compat_ioctl, .open = openprom_open, .release = openprom_release, |