19 	struct incfs_hash_alg *result = NULL;  in incfs_get_hash_alg()  local
24 		result = &sha256;  in incfs_get_hash_alg()
27 	if (result == NULL)  in incfs_get_hash_alg()
31 	shash = smp_load_acquire(&result->shash);  in incfs_get_hash_alg()
33 		return result;  in incfs_get_hash_alg()
35 	shash = crypto_alloc_shash(result->name, 0, 0);  in incfs_get_hash_alg()
40 			result->name, err);  in incfs_get_hash_alg()
45 	if (cmpxchg_release(&result->shash, NULL, shash) != NULL)  in incfs_get_hash_alg()
48 	return result;  in incfs_get_hash_alg()
59 static bool read_u32(u8 **p, u8 *top, u32 *result)  in read_u32()  argument
64 	*result = le32_to_cpu(*(__le32 *)*p);  in read_u32()
69 static bool read_u8(u8 **p, u8 *top, u8 *result)  in read_u8()  argument
74 	*result = *(u8 *)*p;  in read_u8()
135 	struct mtree *result = NULL;  in incfs_alloc_mtree()  local
157 	result = kzalloc(sizeof(*result), GFP_NOFS);  in incfs_alloc_mtree()
158 	if (!result)  in incfs_alloc_mtree()
161 	result->alg = hash_alg;  in incfs_alloc_mtree()
162 	hash_per_block = INCFS_DATA_FILE_BLOCK_SIZE / result->alg->digest_size;  in incfs_alloc_mtree()
176 	result->depth = lvl;  in incfs_alloc_mtree()
177 	result->hash_tree_area_size = total_blocks * INCFS_DATA_FILE_BLOCK_SIZE;  in incfs_alloc_mtree()
178 	if (result->hash_tree_area_size > INCFS_MAX_HASH_AREA_SIZE)  in incfs_alloc_mtree()
183 	for (lvl = 0; lvl < result->depth; lvl++) {  in incfs_alloc_mtree()
190 		result->hash_level_suboffset[lvl] = suboffset;  in incfs_alloc_mtree()
194 	memcpy(result->root_hash, si.root_hash.data, hash_alg->digest_size);  in incfs_alloc_mtree()
195 	return result;  in incfs_alloc_mtree()
198 	kfree(result);  in incfs_alloc_mtree()