78 static unsigned char *check_buf;  variable
114 	err = mtd_read(mtd, addr, len, &read, check_buf);  in check_eraseblock()
131 	if (memcmp(buf, check_buf, len)) {  in check_eraseblock()
133 		report_corrupt(check_buf, buf);  in check_eraseblock()
237 	check_buf = kmalloc(mtd->erasesize, GFP_KERNEL);  in tort_init()
238 	if (!check_buf)  in tort_init()
353 	kfree(check_buf);  in tort_init()
375 static int countdiffs(unsigned char *buf, unsigned char *check_buf,
463 static int countdiffs(unsigned char *buf, unsigned char *check_buf,  in countdiffs()  argument
471 		if (buf[i] != check_buf[i]) {  in countdiffs()
477 		if (buf[i] != check_buf[i]) {  in countdiffs()
481 				if ((buf[i] & bit) != (check_buf[i] & bit))  in countdiffs()