rtl8188eu: remove dead code

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/staging/rtl8188eu/include/osdep_service.h b/drivers/staging/rtl8188eu/include/osdep_service.h
index 44f24fa31a3418e0aa8814372dde0ca692765c82..36523edf6a71c07616f46ec1ec0d0b2997c40cc1 100644 (file)
--- a/drivers/staging/rtl8188eu/include/osdep_service.h
+++ b/drivers/staging/rtl8188eu/include/osdep_service.h
@@ -430,11 +430,6 @@ int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i);
 int ATOMIC_INC_RETURN(ATOMIC_T *v);
 int ATOMIC_DEC_RETURN(ATOMIC_T *v);
 
-/* File operation APIs, just for linux now */
-int rtw_is_file_readable(char *path);
-int rtw_retrive_from_file(char *path, u8 __user *buf, u32 sz);
-int rtw_store_to_file(char *path, u8 __user *buf, u32 sz);
-
 struct rtw_netdev_priv_indicator {
        void *priv;
        u32 sizeof_priv;

diff --git a/drivers/staging/rtl8188eu/os_dep/osdep_service.c b/drivers/staging/rtl8188eu/os_dep/osdep_service.c
index 4e0bfb7e153b811b75227b9d864b96d49f48676c..4aedb85a3527859bea6da8cbca98364c8182f1af 100644 (file)
--- a/drivers/staging/rtl8188eu/os_dep/osdep_service.c
+++ b/drivers/staging/rtl8188eu/os_dep/osdep_service.c
@@ -356,214 +356,6 @@ inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
        return atomic_dec_return(v);
 }
 
-/* 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, 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 __user *buf, int len)
-{
-       int rlen = 0, sum = 0;
-
-       if (!fp->f_op || !fp->f_op->read)
-               return -EPERM;
-
-       while (sum < len) {
-               rlen = fp->f_op->read(fp, buf+sum, len-sum, &fp->f_pos);
-               if (rlen > 0)
-                       sum += rlen;
-               else if (0 != rlen)
-                       return rlen;
-               else
-                       break;
-       }
-       return  sum;
-}
-
-static int writefile(struct file *fp, char __user *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
- * @param path the path of the file to test
- * @return Linux specific error code
- */
-static int isfilereadable(char *path)
-{
-       struct file *fp;
-       int ret = 0;
-       mm_segment_t oldfs;
-       char __user 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);
-
-               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 retrievefromfile(char *path, u8 __user *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) {
-                       DBG_88E("%s openfile path:%s fp =%p\n", __func__,
-                               path, fp);
-
-                       oldfs = get_fs(); set_fs(get_ds());
-                       ret = readfile(fp, buf, sz);
-                       set_fs(oldfs);
-                       closefile(fp);
-
-                       DBG_88E("%s readfile, ret:%d\n", __func__, ret);
-
-               } else {
-                       DBG_88E("%s openfile path:%s Fail, ret:%d\n", __func__,
-                               path, ret);
-               }
-       } else {
-               DBG_88E("%s NULL pointer\n", __func__);
-               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(char *path, u8 __user *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) {
-                       DBG_88E("%s openfile path:%s fp =%p\n", __func__, path, fp);
-
-                       oldfs = get_fs(); set_fs(get_ds());
-                       ret = writefile(fp, buf, sz);
-                       set_fs(oldfs);
-                       closefile(fp);
-
-                       DBG_88E("%s writefile, ret:%d\n", __func__, ret);
-
-               } else {
-                       DBG_88E("%s openfile path:%s Fail, ret:%d\n", __func__, path, ret);
-               }
-       } else {
-               DBG_88E("%s NULL pointer\n", __func__);
-               ret =  -EINVAL;
-       }
-       return ret;
-}
-
-/*
-* Test if the specifi @param path is a file and readable
-* @param path the path of the file to test
-* @return true or false
-*/
-int rtw_is_file_readable(char *path)
-{
-       if (isfilereadable(path) == 0)
-               return true;
-       else
-               return false;
-}
-
-/*
-* 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
-*/
-int rtw_retrive_from_file(char *path, u8 __user *buf, u32 sz)
-{
-       int ret = retrievefromfile(path, buf, sz);
-
-       return ret >= 0 ? ret : 0;
-}
-
-/*
- * 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
- */
-int rtw_store_to_file(char *path, u8 __user *buf, u32 sz)
-{
-       int ret = storetofile(path, buf, sz);
-       return ret >= 0 ? ret : 0;
-}
-
 struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv,
                                                    void *old_priv)
 {