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crypto: testmgr - Fix DMA-API warning

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With DMA-API debug enabled testmgr triggers a "DMA-API: device driver maps memory from stack" warning, when tested on a crypto HW accelerator.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tadeusz Struk 2014-05-19 09:51:33 -07:00 • committed by Herbert Xu
parent 51a7163499
commit 9bac019dad
1 changed files with 5 additions and 2 deletions
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7
crypto/testmgr.c
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@ -414,16 +414,18 @@ static int __test_aead(struct crypto_aead *tfm, int enc,
void *input; void *input;
void *output; void *output;
void *assoc; void *assoc;
char iv[MAX_IVLEN]; char *iv;
char *xbuf[XBUFSIZE]; char *xbuf[XBUFSIZE];
char *xoutbuf[XBUFSIZE]; char *xoutbuf[XBUFSIZE];
char *axbuf[XBUFSIZE]; char *axbuf[XBUFSIZE];
iv = kzalloc(MAX_IVLEN, GFP_KERNEL);
if (!iv)
return ret;
if (testmgr_alloc_buf(xbuf)) if (testmgr_alloc_buf(xbuf))
goto out_noxbuf; goto out_noxbuf;
if (testmgr_alloc_buf(axbuf)) if (testmgr_alloc_buf(axbuf))
goto out_noaxbuf; goto out_noaxbuf;
if (diff_dst && testmgr_alloc_buf(xoutbuf)) if (diff_dst && testmgr_alloc_buf(xoutbuf))
goto out_nooutbuf; goto out_nooutbuf;
@ -767,6 +769,7 @@ out_nooutbuf:
out_noaxbuf: out_noaxbuf:
testmgr_free_buf(xbuf); testmgr_free_buf(xbuf);
out_noxbuf: out_noxbuf:
kfree(iv);
return ret; return ret;
} }