diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_fops.c')
-rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 5e78c77..0d18d80 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -1479,10 +1479,10 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma) dev_file_info = comedi_get_device_file_info(minor); if (dev_file_info == NULL) - return -ENODEV; + return -ENODEV; dev = dev_file_info->device; if (dev == NULL) - return -ENODEV; + return -ENODEV; mutex_lock(&dev->mutex); if (!dev->attached) { @@ -1556,10 +1556,10 @@ static unsigned int comedi_poll(struct file *file, poll_table * wait) dev_file_info = comedi_get_device_file_info(minor); if (dev_file_info == NULL) - return -ENODEV; + return -ENODEV; dev = dev_file_info->device; if (dev == NULL) - return -ENODEV; + return -ENODEV; mutex_lock(&dev->mutex); if (!dev->attached) { @@ -1610,10 +1610,10 @@ static ssize_t comedi_write(struct file *file, const char __user *buf, dev_file_info = comedi_get_device_file_info(minor); if (dev_file_info == NULL) - return -ENODEV; + return -ENODEV; dev = dev_file_info->device; if (dev == NULL) - return -ENODEV; + return -ENODEV; if (!dev->attached) { DPRINTK("no driver configured on comedi%i\n", dev->minor); @@ -1721,10 +1721,10 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes, dev_file_info = comedi_get_device_file_info(minor); if (dev_file_info == NULL) - return -ENODEV; + return -ENODEV; dev = dev_file_info->device; if (dev == NULL) - return -ENODEV; + return -ENODEV; if (!dev->attached) { DPRINTK("no driver configured on comedi%i\n", dev->minor); @@ -1931,10 +1931,10 @@ static int comedi_close(struct inode *inode, struct file *file) dev_file_info = comedi_get_device_file_info(minor); if (dev_file_info == NULL) - return -ENODEV; + return -ENODEV; dev = dev_file_info->device; if (dev == NULL) - return -ENODEV; + return -ENODEV; mutex_lock(&dev->mutex); @@ -1973,10 +1973,10 @@ static int comedi_fasync(int fd, struct file *file, int on) dev_file_info = comedi_get_device_file_info(minor); if (dev_file_info == NULL) - return -ENODEV; + return -ENODEV; dev = dev_file_info->device; if (dev == NULL) - return -ENODEV; + return -ENODEV; return fasync_helper(fd, file, on, &dev->async_queue); } @@ -2479,18 +2479,18 @@ static ssize_t store_max_read_buffer_kb(struct device *dev, const char *buf, size_t count) { struct comedi_device_file_info *info = dev_get_drvdata(dev); - unsigned long new_max_size_kb; - uint64_t new_max_size; + unsigned int new_max_size_kb; + unsigned int new_max_size; + int ret; struct comedi_subdevice *const read_subdevice = comedi_get_read_subdevice(info); - if (strict_strtoul(buf, 10, &new_max_size_kb)) - return -EINVAL; - if (new_max_size_kb != (uint32_t) new_max_size_kb) - return -EINVAL; - new_max_size = ((uint64_t) new_max_size_kb) * bytes_per_kibi; - if (new_max_size != (uint32_t) new_max_size) + ret = kstrtouint(buf, 10, &new_max_size_kb); + if (ret) + return ret; + if (new_max_size_kb > (UINT_MAX / bytes_per_kibi)) return -EINVAL; + new_max_size = new_max_size_kb * bytes_per_kibi; mutex_lock(&info->device->mutex); if (read_subdevice == NULL || @@ -2540,19 +2540,19 @@ static ssize_t store_read_buffer_kb(struct device *dev, const char *buf, size_t count) { struct comedi_device_file_info *info = dev_get_drvdata(dev); - unsigned long new_size_kb; - uint64_t new_size; + unsigned int new_size_kb; + unsigned int new_size; int retval; + int ret; struct comedi_subdevice *const read_subdevice = comedi_get_read_subdevice(info); - if (strict_strtoul(buf, 10, &new_size_kb)) - return -EINVAL; - if (new_size_kb != (uint32_t) new_size_kb) - return -EINVAL; - new_size = ((uint64_t) new_size_kb) * bytes_per_kibi; - if (new_size != (uint32_t) new_size) + ret = kstrtouint(buf, 10, &new_size_kb); + if (ret) + return ret; + if (new_size_kb > (UINT_MAX / bytes_per_kibi)) return -EINVAL; + new_size = new_size_kb * bytes_per_kibi; mutex_lock(&info->device->mutex); if (read_subdevice == NULL || @@ -2606,18 +2606,18 @@ static ssize_t store_max_write_buffer_kb(struct device *dev, const char *buf, size_t count) { struct comedi_device_file_info *info = dev_get_drvdata(dev); - unsigned long new_max_size_kb; - uint64_t new_max_size; + unsigned int new_max_size_kb; + unsigned int new_max_size; + int ret; struct comedi_subdevice *const write_subdevice = comedi_get_write_subdevice(info); - if (strict_strtoul(buf, 10, &new_max_size_kb)) - return -EINVAL; - if (new_max_size_kb != (uint32_t) new_max_size_kb) - return -EINVAL; - new_max_size = ((uint64_t) new_max_size_kb) * bytes_per_kibi; - if (new_max_size != (uint32_t) new_max_size) + ret = kstrtouint(buf, 10, &new_max_size_kb); + if (ret) + return ret; + if (new_max_size_kb > (UINT_MAX / bytes_per_kibi)) return -EINVAL; + new_max_size = new_max_size_kb * bytes_per_kibi; mutex_lock(&info->device->mutex); if (write_subdevice == NULL || @@ -2667,19 +2667,19 @@ static ssize_t store_write_buffer_kb(struct device *dev, const char *buf, size_t count) { struct comedi_device_file_info *info = dev_get_drvdata(dev); - unsigned long new_size_kb; - uint64_t new_size; + unsigned int new_size_kb; + unsigned int new_size; int retval; + int ret; struct comedi_subdevice *const write_subdevice = comedi_get_write_subdevice(info); - if (strict_strtoul(buf, 10, &new_size_kb)) - return -EINVAL; - if (new_size_kb != (uint32_t) new_size_kb) + ret = kstrtouint(buf, 10, &new_size_kb); + if (ret) + return ret; + if (new_size_kb > (UINT_MAX / bytes_per_kibi)) return -EINVAL; new_size = ((uint64_t) new_size_kb) * bytes_per_kibi; - if (new_size != (uint32_t) new_size) - return -EINVAL; mutex_lock(&info->device->mutex); if (write_subdevice == NULL || |