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Lines 231-245
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| 231 |
sysfs_write_file(struct file *file, const char __user *buf, size_t count, loff_t *ppos) |
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sysfs_write_file(struct file *file, const char __user *buf, size_t count, loff_t *ppos) |
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{ |
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{ |
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struct sysfs_buffer * buffer = file->private_data; |
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struct sysfs_buffer * buffer = file->private_data; |
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ssize_t len; |
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down(&buffer->sem); |
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down(&buffer->sem); |
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count = fill_write_buffer(buffer,buf,count); |
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len = fill_write_buffer(buffer, buf, count); |
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if (count > 0) |
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if (len > 0) |
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count = flush_write_buffer(file->f_dentry,buffer,count); |
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len = flush_write_buffer(file->f_dentry, buffer, len); |
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if (count > 0) |
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if (len > 0) |
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*ppos += count; |
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*ppos += len; |
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up(&buffer->sem); |
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up(&buffer->sem); |
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return count; |
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return len; |
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} |
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} |
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static int check_perm(struct inode * inode, struct file * file) |
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static int check_perm(struct inode * inode, struct file * file) |
