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| author | Christophe Jaillet <christophe.jaillet@wanadoo.fr> | 2016-10-07 22:36:20 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-10-21 11:03:41 +0800 |
| commit | 4c36941aee7f9bb3a1183ba89aa15b86622c8668 (patch) | |
| tree | c317aabc87c632445805b702e588ef2335905168 | |
| parent | f34dad1721642989336283c9e6c3b8f6b23fa67c (diff) | |
| download | linux-4c36941aee7f9bb3a1183ba89aa15b86622c8668.tar.bz2 | |
crypto: crypto4xx - Fix size used in dma_free_coherent()
The size used in 'dma_free_coherent()' looks un-initialized here.
ctx->sa_len is set a few lines below and is apparently not set by the
caller.
So use 'size' as in the corresponding 'dma_alloc_coherent()' a few lines
above.
This has been spotted with coccinelle, using the following script:
////////////////////
@r@
expression x0, x1, y0, y1, z0, z1, t0, t1, ret;
@@
* ret = dma_alloc_coherent(x0, y0, z0, t0);
...
* dma_free_coherent(x1, y1, ret, t1);
@script:python@
y0 << r.y0;
y1 << r.y1;
@@
if y1.find(y0) == -1:
print "WARNING: sizes look different: '%s' vs '%s'" % (y0, y1)
////////////////////
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index dae1e39139e9..d10b4ae5e0da 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -135,8 +135,7 @@ int crypto4xx_alloc_sa(struct crypto4xx_ctx *ctx, u32 size) ctx->sa_out = dma_alloc_coherent(ctx->dev->core_dev->device, size * 4, &ctx->sa_out_dma_addr, GFP_ATOMIC); if (ctx->sa_out == NULL) { - dma_free_coherent(ctx->dev->core_dev->device, - ctx->sa_len * 4, + dma_free_coherent(ctx->dev->core_dev->device, size * 4, ctx->sa_in, ctx->sa_in_dma_addr); return -ENOMEM; } |