void altera_ci_release(void *dev, int ci_nr)
{
struct fpga_inode *temp_int = find_inode(dev);
struct altera_ci_state *state = NULL;
ci_dbg_print("%s\n", __func__);
if (temp_int != NULL) {
state = temp_int->internal->state[ci_nr - 1];
altera_hw_filt_release(dev, ci_nr);
if (((temp_int->internal->filts_used) <= 0) &&
((--(temp_int->internal->cis_used)) <= 0)) {
ci_dbg_print("%s: Actually removing\n", __func__);
remove_inode(temp_int->internal);
kfree(state->internal);
}
if (state != NULL) {
if (state->ca.data != NULL)
dvb_ca_en50221_release(&state->ca);
kfree(state);
}
}
}
void altera_hw_filt_release(void *main_dev, int filt_nr)
{
struct fpga_inode *temp_int = find_inode(main_dev);
struct netup_hw_pid_filter *pid_filt = NULL;
ci_dbg_print("%s\n", __func__);
if (temp_int != NULL) {
pid_filt = temp_int->internal->pid_filt[filt_nr - 1];
/* stored old feed controls */
pid_filt->demux->start_feed = pid_filt->start_feed;
pid_filt->demux->stop_feed = pid_filt->stop_feed;
if (((--(temp_int->internal->filts_used)) <= 0) &&
((temp_int->internal->cis_used) <= 0)) {
ci_dbg_print("%s: Actually removing\n", __func__);
remove_inode(temp_int->internal);
kfree(pid_filt->internal);
}
kfree(pid_filt);
}
}
int main(int argc, char **argv) {
char * target_file_path;
char target_file_name[256];
unsigned int tpath_index, tfile_index;
struct ext2_inode parent, target;
if(argc != 3) {
fprintf(stderr, "Usage: ext2_rm <image file name> <target path>\n");
exit(1);
}
if (ext2_init(argv[1]) == -1){
exit(1);
}
// check target path
if(!check_file_path(argv[2]) ) {
printf("invaid abs path\n");
return ENOENT;
}
// get target file path and name
target_file_path = malloc(strlen(argv[2]));
get_last_entry(argv[2],target_file_name, target_file_path);
// check if it is vaild target file name
if (! strlen(target_file_name)){
printf("invaid target file name\n");
return ENOENT;
}
if (is_dir(argv[2])){
printf("invaid target file name\n");
return ENOENT;
}
// get inode index for source file and target file
tfile_index = get_inode_index(argv[2]);
tpath_index = get_inode_index(target_file_path);
free(target_file_path);
// check if source path and target path vaild
if(!tpath_index){
printf("No such file or directory\n");
return ENOENT;
}
// check if the target is the file
if(tfile_index){
if(! (get_inode(tfile_index)->i_mode & EXT2_S_IFREG)){
printf("%s not a file\n", target_file_name);
return ENOENT;
}
}
remove_inode(get_inode(tpath_index), get_inode(tfile_index), tfile_index);
return 0;
}
