mirror of
https://github.com/chinawrj/rtl8812au
synced 2024-09-19 20:50:52 +00:00
hard disable old debug read/write file functions
This commit is contained in:
kimocoder
parent
efb4d2fe21
commit
df5766d9f3
@ -2083,199 +2083,6 @@ inline bool ATOMIC_INC_UNLESS(ATOMIC_T *v, int u)
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef PLATFORM_LINUX
|
||||
/*
|
||||
* Open a file with the specific @param path, @param flag, @param mode
|
||||
* @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
|
||||
* @param path the path of the file to open
|
||||
* @param flag file operation flags, please refer to linux document
|
||||
* @param mode please refer to linux document
|
||||
* @return Linux specific error code
|
||||
*/
|
||||
static int openFile(struct file **fpp, const char *path, int flag, int mode)
|
||||
{
|
||||
struct file *fp;
|
||||
|
||||
fp = filp_open(path, flag, mode);
|
||||
if (IS_ERR(fp)) {
|
||||
*fpp = NULL;
|
||||
return PTR_ERR(fp);
|
||||
} else {
|
||||
*fpp = fp;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Close the file with the specific @param fp
|
||||
* @param fp the pointer of struct file to close
|
||||
* @return always 0
|
||||
*/
|
||||
static int closeFile(struct file *fp)
|
||||
{
|
||||
filp_close(fp, NULL);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int readFile(struct file *fp, char *buf, int len)
|
||||
{
|
||||
int rlen = 0, sum = 0;
|
||||
|
||||
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
|
||||
if (!(fp->f_mode & FMODE_CAN_READ))
|
||||
#else
|
||||
if (!fp->f_op || !fp->f_op->read)
|
||||
#endif
|
||||
return -EPERM;
|
||||
|
||||
while (sum < len) {
|
||||
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 14, 0))
|
||||
rlen = kernel_read(fp, buf + sum, len - sum, &fp->f_pos);
|
||||
#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 1, 0))
|
||||
rlen = __vfs_read(fp, buf + sum, len - sum, &fp->f_pos);
|
||||
#else
|
||||
rlen = fp->f_op->read(fp, buf + sum, len - sum, &fp->f_pos);
|
||||
#endif
|
||||
if (rlen > 0)
|
||||
sum += rlen;
|
||||
else if (0 != rlen)
|
||||
return rlen;
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
return sum;
|
||||
|
||||
}
|
||||
|
||||
static int writeFile(struct file *fp, char *buf, int len)
|
||||
{
|
||||
int wlen = 0, sum = 0;
|
||||
|
||||
if (!fp->f_op || !fp->f_op->write)
|
||||
return -EPERM;
|
||||
|
||||
while (sum < len) {
|
||||
wlen = fp->f_op->write(fp, buf + sum, len - sum, &fp->f_pos);
|
||||
if (wlen > 0)
|
||||
sum += wlen;
|
||||
else if (0 != wlen)
|
||||
return wlen;
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
return sum;
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Test if the specifi @param path is a file and readable
|
||||
* If readable, @param sz is got
|
||||
* @param path the path of the file to test
|
||||
* @return Linux specific error code
|
||||
*/
|
||||
static int isFileReadable(const char *path, u32 *sz)
|
||||
{
|
||||
struct file *fp;
|
||||
int ret = 0;
|
||||
mm_segment_t oldfs;
|
||||
char buf;
|
||||
|
||||
fp = filp_open(path, O_RDONLY, 0);
|
||||
if (IS_ERR(fp))
|
||||
ret = PTR_ERR(fp);
|
||||
else {
|
||||
oldfs = get_fs();
|
||||
set_fs(get_ds());
|
||||
|
||||
if (1 != readFile(fp, &buf, 1))
|
||||
ret = PTR_ERR(fp);
|
||||
|
||||
if (ret == 0 && sz) {
|
||||
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0))
|
||||
*sz = i_size_read(fp->f_path.dentry->d_inode);
|
||||
#else
|
||||
*sz = i_size_read(fp->f_dentry->d_inode);
|
||||
#endif
|
||||
}
|
||||
|
||||
set_fs(oldfs);
|
||||
filp_close(fp, NULL);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
|
||||
* @param path the path of the file to open and read
|
||||
* @param buf the starting address of the buffer to store file content
|
||||
* @param sz how many bytes to read at most
|
||||
* @return the byte we've read, or Linux specific error code
|
||||
*/
|
||||
static int retriveFromFile(const char *path, u8 *buf, u32 sz)
|
||||
{
|
||||
int ret = -1;
|
||||
mm_segment_t oldfs;
|
||||
struct file *fp;
|
||||
|
||||
if (path && buf) {
|
||||
ret = openFile(&fp, path, O_RDONLY, 0);
|
||||
if (0 == ret) {
|
||||
RTW_INFO("%s openFile path:%s fp=%p\n", __FUNCTION__, path , fp);
|
||||
|
||||
oldfs = get_fs();
|
||||
set_fs(get_ds());
|
||||
ret = readFile(fp, buf, sz);
|
||||
set_fs(oldfs);
|
||||
closeFile(fp);
|
||||
|
||||
RTW_INFO("%s readFile, ret:%d\n", __FUNCTION__, ret);
|
||||
|
||||
} else
|
||||
RTW_INFO("%s openFile path:%s Fail, ret:%d\n", __FUNCTION__, path, ret);
|
||||
} else {
|
||||
RTW_INFO("%s NULL pointer\n", __FUNCTION__);
|
||||
ret = -EINVAL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
|
||||
* @param path the path of the file to open and write
|
||||
* @param buf the starting address of the data to write into file
|
||||
* @param sz how many bytes to write at most
|
||||
* @return the byte we've written, or Linux specific error code
|
||||
*/
|
||||
static int storeToFile(const char *path, u8 *buf, u32 sz)
|
||||
{
|
||||
int ret = 0;
|
||||
mm_segment_t oldfs;
|
||||
struct file *fp;
|
||||
|
||||
if (path && buf) {
|
||||
ret = openFile(&fp, path, O_CREAT | O_WRONLY, 0666);
|
||||
if (0 == ret) {
|
||||
RTW_INFO("%s openFile path:%s fp=%p\n", __FUNCTION__, path , fp);
|
||||
|
||||
oldfs = get_fs();
|
||||
set_fs(get_ds());
|
||||
ret = writeFile(fp, buf, sz);
|
||||
set_fs(oldfs);
|
||||
closeFile(fp);
|
||||
|
||||
RTW_INFO("%s writeFile, ret:%d\n", __FUNCTION__, ret);
|
||||
|
||||
} else
|
||||
RTW_INFO("%s openFile path:%s Fail, ret:%d\n", __FUNCTION__, path, ret);
|
||||
} else {
|
||||
RTW_INFO("%s NULL pointer\n", __FUNCTION__);
|
||||
ret = -EINVAL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#endif /* PLATFORM_LINUX */
|
||||
|
||||
/*
|
||||
* Test if the specifi @param path is a file and readable
|
||||
@ -2284,15 +2091,8 @@ static int storeToFile(const char *path, u8 *buf, u32 sz)
|
||||
*/
|
||||
int rtw_is_file_readable(const char *path)
|
||||
{
|
||||
#ifdef PLATFORM_LINUX
|
||||
if (isFileReadable(path, NULL) == 0)
|
||||
return _TRUE;
|
||||
else
|
||||
return _FALSE;
|
||||
#else
|
||||
/* Todo... */
|
||||
return _FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
@ -2303,15 +2103,8 @@ int rtw_is_file_readable(const char *path)
|
||||
*/
|
||||
int rtw_is_file_readable_with_size(const char *path, u32 *sz)
|
||||
{
|
||||
#ifdef PLATFORM_LINUX
|
||||
if (isFileReadable(path, sz) == 0)
|
||||
return _TRUE;
|
||||
else
|
||||
return _FALSE;
|
||||
#else
|
||||
/* Todo... */
|
||||
return _FALSE;
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
@ -2323,13 +2116,8 @@ int rtw_is_file_readable_with_size(const char *path, u32 *sz)
|
||||
*/
|
||||
int rtw_retrieve_from_file(const char *path, u8 *buf, u32 sz)
|
||||
{
|
||||
#ifdef PLATFORM_LINUX
|
||||
int ret = retriveFromFile(path, buf, sz);
|
||||
return ret >= 0 ? ret : 0;
|
||||
#else
|
||||
/* Todo... */
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
@ -2341,13 +2129,8 @@ int rtw_retrieve_from_file(const char *path, u8 *buf, u32 sz)
|
||||
*/
|
||||
int rtw_store_to_file(const char *path, u8 *buf, u32 sz)
|
||||
{
|
||||
#ifdef PLATFORM_LINUX
|
||||
int ret = storeToFile(path, buf, sz);
|
||||
return ret >= 0 ? ret : 0;
|
||||
#else
|
||||
/* Todo... */
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef PLATFORM_LINUX
|
||||
|
||||
Loading…
Reference in New Issue
Block a user