AuxXxilium/linux_dsm_epyc7002
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060e234e95
linux_dsm_epyc7002/drivers/crypto/caam
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Yanjiang Jin 060e234e95 crypto: caam - fix uninitialized edesc->sec4_sg_bytes field 
sec4_sg_bytes not being properly initialized causes ahash_done
to try to free unallocated DMA memory:

caam_jr ffe301000.jr: DMA-API: device driver tries to free DMA memory it has not allocated [device address=0xdeadbeefdeadbeef] [size=3735928559 bytes]
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:1093
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.0.0-rc1+ #6
task: e9598c00 ti: effca000 task.ti: e95a2000
NIP: c04ef24c LR: c04ef24c CTR: c0549730
REGS: effcbd40 TRAP: 0700   Not tainted  (4.0.0-rc1+)
MSR: 00029002 <CE,EE,ME>  CR: 22008084  XER: 20000000

GPR00: c04ef24c effcbdf0 e9598c00 00000096 c08f7424 c00ab2b0 00000000 00000001
GPR08: c0fe7510 effca000 00000000 000001c3 22008082 00000000 c1048e77 c1050000
GPR16: c0c36700 493c0040 0000002c e690e4a0 c1054fb4 c18bac40 00029002 c18b0788
GPR24: 00000014 e690e480 effcbe48 00000000 c0fde128 e6ffac10 deadbeef deadbeef
NIP [c04ef24c] check_unmap+0x93c/0xb40
LR [c04ef24c] check_unmap+0x93c/0xb40
Call Trace:
[effcbdf0] [c04ef24c] check_unmap+0x93c/0xb40 (unreliable)
[effcbe40] [c04ef4f4] debug_dma_unmap_page+0xa4/0xc0
[effcbec0] [c070cda8] ahash_done+0x128/0x1a0
[effcbef0] [c0700070] caam_jr_dequeue+0x1d0/0x290
[effcbf40] [c0045f40] tasklet_action+0x110/0x1f0
[effcbf80] [c0044bc8] __do_softirq+0x188/0x700
[effcbfe0] [c00455d8] irq_exit+0x108/0x120
[effcbff0] [c000f520] call_do_irq+0x24/0x3c
[e95a3e20] [c00059b8] do_IRQ+0xc8/0x170
[e95a3e50] [c0011bc8] ret_from_except+0x0/0x18

Signed-off-by: Yanjiang Jin <yanjiang.jin@windriver.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-03-09 21:06:17 +11:00
..
caamalg.c crypto: caam - remove dead code 2015-01-26 11:34:23 +11:00
caamhash.c crypto: caam - fix uninitialized edesc->sec4_sg_bytes field 2015-03-09 21:06:17 +11:00
caamrng.c crypto: caam - fix "failed to check map error" DMA warnings 2014-07-23 21:28:43 +08:00
compat.h crypto: caam - add support for rfc3686(ctr(aes)) 2014-11-06 23:15:04 +08:00
ctrl.c crypto: caam - remove unused local variable 2015-01-26 11:34:24 +11:00
ctrl.h crypto: caam - fix ERA retrieval function 2014-02-09 09:59:27 +08:00
desc_constr.h crypto: caam - add support for ctr(aes) 2014-11-06 23:15:04 +08:00
desc.h crypto: caam - remove duplicate FIFOST_CONT_MASK define 2014-06-20 21:27:57 +08:00
error.c crypto: caam - don't emit ICV check failures to dmesg 2015-01-26 11:34:23 +11:00
error.h crypto: caam - Contain caam_jr_strstatus() ugliness 2014-05-08 21:58:06 +08:00
intern.h crypto: caam - Dynamic allocation of addresses for various memory blocks in CAAM. 2014-09-15 19:44:11 +08:00
jr.c crypto: caam - fix resource clean-up on error path for caam_jr_init 2015-01-26 11:34:25 +11:00
jr.h crypto: caam - Add API's to allocate/free Job Rings 2013-10-30 12:02:57 +08:00
Kconfig crypto: caam - Add Platform driver for Job Ring 2013-10-30 12:02:57 +08:00
key_gen.c crypto: caam - fix missing dma unmap on error path 2014-11-06 23:10:20 +08:00
key_gen.h crypto: caam - change key gen functions to return signed int 2013-04-25 21:01:43 +08:00
Makefile crypto: caam - Add Platform driver for Job Ring 2013-10-30 12:02:57 +08:00
pdb.h crypto: caam - Add define for Adjust Output Frame Length in PDB 2013-05-28 15:37:08 +08:00
regs.h crypto: caam - Dynamic allocation of addresses for various memory blocks in CAAM. 2014-09-15 19:44:11 +08:00
sg_sw_sec4.h crypto: replace scatterwalk_sg_next with sg_next 2015-01-26 11:34:22 +11:00