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linux/drivers/crypto
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Lokesh Vutla acef7b0f2b crypto: omap-sham - Fix Polling mode for larger blocks 
Command "tcrypt sec=1 mode=403" give the follwoing error for Polling
mode:
root@am335x-evm:/# insmod tcrypt.ko sec=1 mode=403
[...]

[  346.982754] test 15 ( 4096 byte blocks, 1024 bytes per update,   4 updates):   4352 opers/sec,  17825792 bytes/sec
[  347.992661] test 16 ( 4096 byte blocks, 4096 bytes per update,   1 updates):   7095 opers/sec,  29061120 bytes/sec
[  349.002667] test 17 ( 8192 byte blocks,   16 bytes per update, 512 updates):
[  349.010882] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[  349.020037] pgd = ddeac000
[  349.022884] [00000000] *pgd=9dcb4831, *pte=00000000, *ppte=00000000
[  349.029816] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[  349.035482] Modules linked in: tcrypt(+)
[  349.039617] CPU: 0 PID: 1473 Comm: insmod Not tainted 3.12.4-01566-g6279006-dirty #38
[  349.047832] task: dda91540 ti: ddcd2000 task.ti: ddcd2000
[  349.053517] PC is at omap_sham_xmit_dma+0x6c/0x238
[  349.058544] LR is at omap_sham_xmit_dma+0x38/0x238
[  349.063570] pc : [<c04eb7cc>]    lr : [<c04eb798>]    psr: 20000013
[  349.063570] sp : ddcd3c78  ip : 00000000  fp : 9d8980b8
[  349.075610] r10: 00000000  r9 : 00000000  r8 : 00000000
[  349.081090] r7 : 00001000  r6 : dd898000  r5 : 00000040  r4 : ddb10550
[  349.087935] r3 : 00000004  r2 : 00000010  r1 : 53100080  r0 : 00000000
[  349.094783] Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[  349.102268] Control: 10c5387d  Table: 9deac019  DAC: 00000015
[  349.108294] Process insmod (pid: 1473, stack limit = 0xddcd2248)

[...]

This is because polling_mode is not enabled for ctx without FLAGS_FINUP.

For polling mode the bufcnt is made 0 unconditionally. But it should be made 0
only if it is a final update or a total is not zero(This condition is similar
to what is done in DMA case). Because of this wrong hashes are produced.

Fixing the same.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-12-20 20:06:26 +08:00
..
amcc powerpc: add missing explicit OF includes for ppc 2013-11-11 09:10:50 -06:00
caam crypto: caam - fix aead sglen for case 'dst != src' 2013-11-28 22:25:17 +08:00
ccp crypto: ccp - Remove user triggerable pr_err calls 2013-12-20 20:06:22 +08:00
nx crypto: nx - fix SHA-2 for chunks bigger than block size 2013-09-02 20:32:56 +10:00
ux500 crypto: ux500 - Fix logging, make arrays const, neatening 2013-08-01 10:53:59 +10:00
atmel-aes-regs.h crypto: atmel - add Atmel AES driver 2012-07-11 11:07:40 +08:00
atmel-aes.c crypto: atmel-aes - add support for latest release of the IP (0x130) 2013-03-10 16:46:42 +08:00
atmel-sha-regs.h crypto: atmel-sha - add support for latest release of the IP (0x410) 2013-03-10 16:46:42 +08:00
atmel-sha.c crypto: atmel-sha - add support for latest release of the IP (0x410) 2013-03-10 16:46:42 +08:00
atmel-tdes-regs.h crypto: atmel-tdes - add support for latest release of the IP (0x700) 2013-03-10 16:46:42 +08:00
atmel-tdes.c crypto: atmel-tdes - add support for latest release of the IP (0x700) 2013-03-10 16:46:42 +08:00
bfin_crc.c crypto: bfin_crc - Fix possible NULL pointer dereference 2013-03-10 16:46:43 +08:00
dcp.c crypto: dcp - Check the return value from devm_ioremap_resource() 2013-10-07 14:16:54 +08:00
geode-aes.c Drivers: crypto: remove __dev* attributes. 2013-01-03 15:57:02 -08:00
geode-aes.h
hifn_795x.c crypto: hifn_795x - Pass correct pointer to free_irq() 2013-05-28 15:43:04 +08:00
ixp4xx_crypto.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2013-11-23 16:18:25 -08:00
Kconfig crypto: ccp - CCP Kconfig fixes 2013-12-20 20:06:20 +08:00
Makefile crytpo: ccp - CCP device driver build files 2013-12-05 21:28:40 +08:00
mv_cesa.c crypto: mv_cesa: remove deprecated IRQF_DISABLED 2013-10-16 20:56:24 +08:00
mv_cesa.h
n2_asm.S
n2_core.c Drivers: crypto: remove __dev* attributes. 2013-01-03 15:57:02 -08:00
n2_core.h
omap-aes.c crypto: omap-aes - add error check for pm_runtime_get_sync 2013-12-05 21:28:43 +08:00
omap-sham.c crypto: omap-sham - Fix Polling mode for larger blocks 2013-12-20 20:06:26 +08:00
padlock-aes.c crypto: drivers - remove cra_list initialization 2012-08-01 17:47:28 +08:00
padlock-sha.c crypto: Add support for x86 cpuid auto loading for x86 crypto drivers 2012-01-26 16:48:10 -08:00
picoxcell_crypto.c crypto: picoxcell - Simplify and harden key parsing 2013-10-16 20:56:26 +08:00
picoxcell_crypto_regs.h
s5p-sss.c crypto: s5p-sss: Remove redundant platform_set_drvdata() 2013-05-24 17:55:28 +08:00
sahara.c crypto: sahara - Remove redundant of_match_ptr 2013-10-07 14:17:07 +08:00
talitos.c crypto: talitos - fix locating offending descriptor in error path 2013-12-05 21:28:41 +08:00
talitos.h crypto: talitos - add sha224, sha384 and sha512 to existing AEAD algorithms 2012-07-11 11:08:29 +08:00
tegra-aes.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2013-11-23 16:18:25 -08:00
tegra-aes.h crypto: driver for Tegra AES hardware 2012-01-13 16:38:37 +11:00