94 	struct kdf_sdesc *sdesc;  in kdf_alloc()  local
111 	sdesc = kmalloc(size, GFP_KERNEL);  in kdf_alloc()
112 	if (!sdesc)  in kdf_alloc()
114 	sdesc->shash.tfm = tfm;  in kdf_alloc()
115 	sdesc->shash.flags = 0x0;  in kdf_alloc()
117 	*sdesc_ret = sdesc;  in kdf_alloc()
126 static void kdf_dealloc(struct kdf_sdesc *sdesc)  in kdf_dealloc()  argument
128 	if (!sdesc)  in kdf_dealloc()
131 	if (sdesc->shash.tfm)  in kdf_dealloc()
132 		crypto_free_shash(sdesc->shash.tfm);  in kdf_dealloc()
134 	kzfree(sdesc);  in kdf_dealloc()
148 static int kdf_ctr(struct kdf_sdesc *sdesc, const u8 *src, unsigned int slen,  in kdf_ctr()  argument
151 	struct shash_desc *desc = &sdesc->shash;  in kdf_ctr()
204 static int keyctl_dh_compute_kdf(struct kdf_sdesc *sdesc,  in keyctl_dh_compute_kdf()  argument
211 				    crypto_shash_digestsize(sdesc->shash.tfm));  in keyctl_dh_compute_kdf()
219 	ret = kdf_ctr(sdesc, kbuf, kbuflen, outbuf, outbuf_len, lzero);  in keyctl_dh_compute_kdf()
248 	struct kdf_sdesc *sdesc = NULL;  in __keyctl_dh_compute()  local
281 		ret = kdf_alloc(&sdesc, hashname);  in __keyctl_dh_compute()
391 		ret = keyctl_dh_compute_kdf(sdesc, buffer, buflen, outbuf,  in __keyctl_dh_compute()
411 	kdf_dealloc(sdesc);  in __keyctl_dh_compute()