crypto: caam - fix DMA direction mismatch in ahash_done_ctx_dst
caam_jr
ffe301000.jr: DMA-API: device driver frees DMA memory with different direction [device address=0x00000000062ad1ac] [size=28 bytes] [mapped with DMA_FROM_DEVICE] [unmapped with DMA_TO_DEVICE]
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:1131
Modules linked in: caamhash(+) [last unloaded: caamhash]
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.16.0-rc1 #23
task:
c0789380 ti:
effd2000 task.ti:
c07d6000
NIP:
c02885cc LR:
c02885cc CTR:
c02d7020
REGS:
effd3d50 TRAP: 0700 Tainted: G W (3.16.0-rc1)
MSR:
00021002 <CE,ME> CR:
44048082 XER:
00000000
GPR00:
c02885cc effd3e00 c0789380 000000c6 c1de3478 c1de382c 00000000 00021002
GPR08:
00000007 00000000 01660000 0000012f 84048082 00000000 00000018 c07db080
GPR16:
00000006 00000100 0000002c eee567e0 c07e1e10 c0da1180 00029002 c0d96708
GPR24:
c07a0000 c07a4acc effd3e58 ee29b140 0000001c ee130210 00000000 c0d96700
NIP [
c02885cc] check_unmap+0x47c/0xab0
LR [
c02885cc] check_unmap+0x47c/0xab0
Call Trace:
[
effd3e00] [
c02885cc] check_unmap+0x47c/0xab0 (unreliable)
[
effd3e50] [
c0288c78] debug_dma_unmap_page+0x78/0x90
[
effd3ed0] [
f9350974] ahash_done_ctx_dst+0xa4/0x200 [caamhash]
[
effd3f00] [
c0429640] caam_jr_dequeue+0x1c0/0x280
[
effd3f50] [
c002c94c] tasklet_action+0xcc/0x1a0
[
effd3f80] [
c002cb30] __do_softirq+0x110/0x220
[
effd3fe0] [
c002cf34] irq_exit+0xa4/0xe0
[
effd3ff0] [
c000d834] call_do_irq+0x24/0x3c
[
c07d7d50] [
c000489c] do_IRQ+0x8c/0x110
[
c07d7d70] [
c000f86c] ret_from_except+0x0/0x18
--- Exception: 501 at _raw_spin_unlock_irq+0x30/0x50
LR = _raw_spin_unlock_irq+0x2c/0x50
[
c07d7e40] [
c0053084] finish_task_switch+0x74/0x130
[
c07d7e60] [
c058f278] __schedule+0x238/0x620
[
c07d7f70] [
c058fb50] schedule_preempt_disabled+0x10/0x20
[
c07d7f80] [
c00686a0] cpu_startup_entry+0x100/0x1b0
[
c07d7fb0] [
c074793c] start_kernel+0x338/0x34c
[
c07d7ff0] [
c00003d8] set_ivor+0x140/0x17c
Instruction dump:
7d495214 7d294214 806a0010 80c90010 811a001c 813a0020 815a0024 90610008
3c60c06d 90c1000c 3863f764 4830d131 <
0fe00000>
3c60c06d 3863f0f4 4830d121
---[ end trace
db1fae088c75c270 ]---
Mapped at:
[<
f9352454>] ahash_update_first+0x5b4/0xba0 [caamhash]
[<
c022ff28>] __test_hash+0x288/0x6c0
[<
c0230388>] test_hash+0x28/0xb0
[<
c02304a4>] alg_test_hash+0x94/0xc0
[<
c022fa94>] alg_test+0x114/0x2e0
Signed-off-by: Horia Geanta <horia.geanta@freescale.com>
Acked-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
projects / kernel.git / commit