diff options
| author | Horia Geanta <horia.geanta@freescale.com> | 2014-07-11 14:34:52 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-07-23 15:31:35 +0200 |
| commit | bc9e05f9e770b9c6a1bcc0cdee676e74e5a04fd2 (patch) | |
| tree | c2c3f5e74630b868f950dc74cffa8e13ca024efb /drivers/crypto | |
| parent | crypto: caam - fix DMA direction mismatch in ahash_done_ctx_dst (diff) | |
| download | linux-bc9e05f9e770b9c6a1bcc0cdee676e74e5a04fd2.tar.xz linux-bc9e05f9e770b9c6a1bcc0cdee676e74e5a04fd2.zip | |
crypto: caam - fix DMA direction mismatch in ahash_done_ctx_src
caam_jr ffe301000.jr: DMA-API: device driver frees DMA memory with different direction [device address=0x0000000006271dac] [size=28 bytes] [mapped with DMA_TO_DEVICE] [unmapped with DMA_FROM_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 c62517a0 c07e1e10 c0da1180 00029002 c0d95f88
GPR24: c07a0000 c07a4acc effd3e58 ee322bc0 0000001c ee130210 00000000 c0d95f80
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] [f9624d84] ahash_done_ctx_src+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 db1fae088c75c280 ]---
Mapped at:
[<f96251bc>] ahash_final_ctx+0x14c/0x7b0 [caamhash]
[<c022ff4c>] __test_hash+0x2ac/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>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/caam/caamhash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c index 4bb6ff46e339..e94dd4518cfb 100644 --- a/drivers/crypto/caam/caamhash.c +++ b/drivers/crypto/caam/caamhash.c @@ -718,7 +718,7 @@ static void ahash_done_ctx_src(struct device *jrdev, u32 *desc, u32 err, if (err) caam_jr_strstatus(jrdev, err); - ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_FROM_DEVICE); + ahash_unmap_ctx(jrdev, edesc, req, digestsize, DMA_TO_DEVICE); kfree(edesc); #ifdef DEBUG |