161 static void hexdump(unsigned char *buf, unsigned int len)  in hexdump()  argument
165 			buf, len, false);  in hexdump()
168 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)  in __testmgr_alloc_buf()
173 		buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);  in __testmgr_alloc_buf()
174 		if (!buf[i])  in __testmgr_alloc_buf()
182 		free_pages((unsigned long)buf[i], order);  in __testmgr_alloc_buf()
187 static int testmgr_alloc_buf(char *buf[XBUFSIZE])  in testmgr_alloc_buf()
189 	return __testmgr_alloc_buf(buf, 0);  in testmgr_alloc_buf()
192 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)  in __testmgr_free_buf()
197 		free_pages((unsigned long)buf[i], order);  in __testmgr_free_buf()
200 static void testmgr_free_buf(char *buf[XBUFSIZE])  in testmgr_free_buf()
202 	__testmgr_free_buf(buf, 0);  in testmgr_free_buf()
836 static void flip_random_bit(u8 *buf, size_t size)  in flip_random_bit()  argument
841 	buf[bitpos / 8] ^= 1 << (bitpos % 8);  in flip_random_bit()
845 static void flip_random_byte(u8 *buf, size_t size)  in flip_random_byte()  argument
847 	buf[prandom_u32() % size] ^= 0xff;  in flip_random_byte()
851 static void mutate_buffer(u8 *buf, size_t size)  in mutate_buffer()  argument
860 			flip_random_bit(buf, size);  in mutate_buffer()
867 			flip_random_byte(buf, size);  in mutate_buffer()
872 static void generate_random_bytes(u8 *buf, size_t count)  in generate_random_bytes()  argument
896 		memset(buf, b, count);  in generate_random_bytes()
897 		mutate_buffer(buf, count);  in generate_random_bytes()
904 			buf[i] = b;  in generate_random_bytes()
905 		mutate_buffer(buf, count);  in generate_random_bytes()
910 			buf[i] = (u8)prandom_u32();  in generate_random_bytes()
3663 	unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);  in drbg_cavs_test()  local
3665 	if (!buf)  in drbg_cavs_test()
3672 		kfree_sensitive(buf);  in drbg_cavs_test()
3689 			buf, test->expectedlen, &addtl,	&test_data);  in drbg_cavs_test()
3692 			buf, test->expectedlen, &addtl);  in drbg_cavs_test()
3704 			buf, test->expectedlen, &addtl, &test_data);  in drbg_cavs_test()
3707 			buf, test->expectedlen, &addtl);  in drbg_cavs_test()
3715 	ret = memcmp(test->expected, buf, test->expectedlen);  in drbg_cavs_test()
3719 	kfree_sensitive(buf);  in drbg_cavs_test()