diff options
| -rw-r--r-- | fs/debugfs/file.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 2340f6978d6..a09d3c0aad6 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -526,12 +526,6 @@ struct array_data { u32 elements; }; -static int u32_array_open(struct inode *inode, struct file *file) -{ - file->private_data = NULL; - return nonseekable_open(inode, file); -} - static size_t format_array(char *buf, size_t bufsize, const char *fmt, u32 *array, u32 array_size) { @@ -573,26 +567,21 @@ static char *format_array_alloc(const char *fmt, u32 *array, return ret; } -static ssize_t u32_array_read(struct file *file, char __user *buf, size_t len, - loff_t *ppos) +static int u32_array_open(struct inode *inode, struct file *file) { - struct inode *inode = file->f_path.dentry->d_inode; struct array_data *data = inode->i_private; - size_t size; - if (*ppos == 0) { - if (file->private_data) { - kfree(file->private_data); - file->private_data = NULL; - } - - file->private_data = format_array_alloc("%u", data->array, - data->elements); - } + file->private_data = format_array_alloc("%u", data->array, + data->elements); + if (!file->private_data) + return -ENOMEM; + return nonseekable_open(inode, file); +} - size = 0; - if (file->private_data) - size = strlen(file->private_data); +static ssize_t u32_array_read(struct file *file, char __user *buf, size_t len, + loff_t *ppos) +{ + size_t size = strlen(file->private_data); return simple_read_from_buffer(buf, len, ppos, file->private_data, size); |