s390/char/hmcdrv_dev.c

135 	fp->private_data = NULL; /* no command yet */
150 	kfree(fp->private_data);
151 	fp->private_data = NULL;
175 		if (fp->private_data) {
176 			kfree(fp->private_data);
177 			fp->private_data = NULL;
227 	    (fp->private_data == NULL)) { /* no FTP cmd defined ? */
231 	retlen = hmcdrv_dev_transfer((char *) fp->private_data,
254 	if (!fp->private_data) { /* first expect a cmd write */
255 		fp->private_data = kmalloc(len + 1, GFP_KERNEL);
257 		if (!fp->private_data)
260 		if (!copy_from_user(fp->private_data, ubuf, len)) {
261 			((char *)fp->private_data)[len] = '\0';
265 		kfree(fp->private_data);
266 		fp->private_data = NULL;
270 	retlen = hmcdrv_dev_transfer((char *) fp->private_data,