583 	char *kbuf = kmalloc(len + 1, GFP_KERNEL);  in wil_write_file_rxon()  local
585 	if (!kbuf)  in wil_write_file_rxon()
587 	if (copy_from_user(kbuf, buf, len)) {  in wil_write_file_rxon()
588 		kfree(kbuf);  in wil_write_file_rxon()
592 	kbuf[len] = '\0';  in wil_write_file_rxon()
593 	rc = kstrtol(kbuf, 0, &channel);  in wil_write_file_rxon()
594 	kfree(kbuf);  in wil_write_file_rxon()
632 	char *kbuf = kmalloc(len + 1, GFP_KERNEL);  in wil_write_back()  local
636 	if (!kbuf)  in wil_write_back()
639 	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);  in wil_write_back()
641 		kfree(kbuf);  in wil_write_back()
645 	kbuf[len] = '\0';  in wil_write_back()
646 	rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);  in wil_write_back()
647 	kfree(kbuf);  in wil_write_back()
712 	char *kbuf = kmalloc(len + 1, GFP_KERNEL);  in wil_write_pmccfg()  local
716 	if (!kbuf)  in wil_write_pmccfg()
719 	rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);  in wil_write_pmccfg()
721 		kfree(kbuf);  in wil_write_pmccfg()
725 	kbuf[len] = '\0';  in wil_write_pmccfg()
726 	rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);  in wil_write_pmccfg()
727 	kfree(kbuf);  in wil_write_pmccfg()