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[PATCH 4.4 31/51] crypto: arm/ghash-ce - add missing async import/export

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 4.4 31/51] crypto: arm/ghash-ce - add missing async import/export
Date 2016-10-29 16:30 +0200
Message-ID <sxCNY-7nb-43@gated-at.bofh.it> (permalink)
References <sxCkW-6TH-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ard Biesheuvel <ard.biesheuvel@linaro.org>

commit ed4767d612fd2c39e2c4c69eba484c1219dcddb6 upstream.

Since commit 8996eafdcbad ("crypto: ahash - ensure statesize is non-zero"),
all ahash drivers are required to implement import()/export(), and must have
a non-zero statesize. Fix this for the ARM Crypto Extensions GHASH
implementation.

Fixes: 8996eafdcbad ("crypto: ahash - ensure statesize is non-zero")
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arm/crypto/ghash-ce-glue.c |   24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

--- a/arch/arm/crypto/ghash-ce-glue.c
+++ b/arch/arm/crypto/ghash-ce-glue.c
@@ -226,6 +226,27 @@ static int ghash_async_digest(struct aha
 	}
 }
 
+static int ghash_async_import(struct ahash_request *req, const void *in)
+{
+	struct ahash_request *cryptd_req = ahash_request_ctx(req);
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+	struct ghash_async_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
+
+	desc->tfm = cryptd_ahash_child(ctx->cryptd_tfm);
+	desc->flags = req->base.flags;
+
+	return crypto_shash_import(desc, in);
+}
+
+static int ghash_async_export(struct ahash_request *req, void *out)
+{
+	struct ahash_request *cryptd_req = ahash_request_ctx(req);
+	struct shash_desc *desc = cryptd_shash_desc(cryptd_req);
+
+	return crypto_shash_export(desc, out);
+}
+
 static int ghash_async_setkey(struct crypto_ahash *tfm, const u8 *key,
 			      unsigned int keylen)
 {
@@ -274,7 +295,10 @@ static struct ahash_alg ghash_async_alg
 	.final			= ghash_async_final,
 	.setkey			= ghash_async_setkey,
 	.digest			= ghash_async_digest,
+	.import			= ghash_async_import,
+	.export			= ghash_async_export,
 	.halg.digestsize	= GHASH_DIGEST_SIZE,
+	.halg.statesize		= sizeof(struct ghash_desc_ctx),
 	.halg.base		= {
 		.cra_name	= "ghash",
 		.cra_driver_name = "ghash-ce",

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[PATCH 4.4 00/51] 4.4.29-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 23/51] powerpc/eeh: Null check uses of eeh_pe_bus_get Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 36/51] ASoC: dapm: Fix kcontrol creation for output driver widget Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 28/51] spi: spi-fsl-dspi: Drop extra spi_master_put in device remove function Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 29/51] mwifiex: correct aid value during tdls setup Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 16/51] drm/i915: Unalias obj->phys_handle and obj->userptr Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 13/51] drm/i915/gen9: fix the WaWmMemoryReadLatency implementation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 20/51] ipip: Properly mark ipip GRO packets as encapsulated. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 06/51] drm/amdgpu/dce11: add missing drm_mode_config_cleanup call Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 46/51] perf hists browser: Fix event group display Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 03/51] drm/amdgpu/dce10: disable hpd on local panels Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 41/51] s390/cio: fix accidental interrupt enabling during resume Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:00 +0200
  [PATCH 4.4 50/51] powerpc/nvram: Fix an incorrect partition merge Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 34/51] ASoC: dapm: Fix possible uninitialized variable in snd_soc_dapm_get_volsw() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 45/51] clk: divider: Fix clk_divider_round_rate() to use clk_readl() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 47/51] perf symbols: Check symbol_conf.allow_aliases for kallsyms loading too Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 10/51] drm/radeon: change vblank_times calculation method to reduce computational error. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 21/51] tunnels: Dont apply GRO to multiple layers of encapsulation. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 04/51] drm/amdgpu/dce8: disable hpd on local panels Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 17/51] mm/hugetlb: fix memory offline with hugepage size > memory block size Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 25/51] genirq/generic_chip: Add irq_unmap callback Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 02/51] drm/amdgpu: fix IB alignment for UVD Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 14/51] Revert "drm/i915: Check live status before reading edid" Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 42/51] s390/con3270: fix use of uninitialised data Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 05/51] drm/amdgpu/dce11: disable hpd on local panels Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 51/51] ARM: pxa: pxa_cplds: fix interrupt handling Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 44/51] clk: qoriq: fix a register offset error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 26/51] uio: fix dmem_region_start computation Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 32/51] hwrng: omap - Only fail if pm_runtime_get_sync returns < 0 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 31/51] crypto: arm/ghash-ce - add missing async import/export Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 40/51] x86/mm: Expand the exception table logic to allow new handling options Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 33/51] ASoC: topology: Fix error return code in soc_tplg_dapm_widget_create() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 22/51] tunnels: Remove encapsulation offloads on decap. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 08/51] drm/radeon: narrow asic_init for virtualization Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 37/51] staging: r8188eu: Fix scheduling while atomic splat Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 07/51] drm/amdgpu: change vblank_times calculation method to reduce computational error. Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 19/51] posix_acl: Clear SGID bit when setting file permissions Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 09/51] drm/radeon/si/dpm: fix phase shedding setup Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 35/51] ASoC: dapm: Fix value setting for _ENUM_DOUBLE MUXs second channel Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 11/51] drm/vmwgfx: Limit the user-space command buffer size Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 43/51] s390/con3270: fix insufficient space padding Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 49/51] mpt3sas: Dont spam logs if logging level is 0 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 38/51] power: bq24257: Fix use of uninitialized pointer bq->charger Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  [PATCH 4.4 18/51] brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-10-29 16:30 +0200
  Re: [PATCH 4.4 00/51] 4.4.29-stable review Shuah Khan <shuah.kh@samsung.com> - 2016-10-30 01:10 +0200
  Re: [PATCH 4.4 00/51] 4.4.29-stable review Guenter Roeck <linux@roeck-us.net> - 2016-10-30 02:50 +0200

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