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| author | Evgeniy Polyakov <zbr@ioremap.net> | 2008-11-25 23:17:10 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-12-25 11:02:00 +1100 |
| commit | 5f459f0adc7581da01cdd9b7f84db14a4559a390 (patch) | |
| tree | 2cf044d2b7a9c43609c280028a519c3f6c90af29 | |
| parent | d6a10c84a2a2b08bdd637852c9cc42c41e109b25 (diff) | |
| download | linux-5f459f0adc7581da01cdd9b7f84db14a4559a390.tar.gz linux-5f459f0adc7581da01cdd9b7f84db14a4559a390.tar.bz2 linux-5f459f0adc7581da01cdd9b7f84db14a4559a390.zip | |
crypto: hifn_795x - Use softirq kernel mapping in bh context
Use KM_SOFTIRQ instead of KM_IRQ in tasklet context.
Added bug_on on input no-page condition.
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/hifn_795x.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index ab4f94bec4ff..0c79fe7f1567 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -1393,10 +1393,12 @@ static int hifn_setup_dma(struct hifn_device *dev, n = nbytes; while (n) { if (t->length && rctx->walk.flags & ASYNC_FLAGS_MISALIGNED) { + BUG_ON(!sg_page(t)); dpage = sg_page(t); doff = 0; len = t->length; } else { + BUG_ON(!sg_page(dst)); dpage = sg_page(dst); doff = dst->offset; len = dst->length; @@ -1791,17 +1793,17 @@ static void hifn_process_ready(struct ablkcipher_request *req, int error) continue; } - saddr = kmap_atomic(sg_page(t), KM_IRQ1); + saddr = kmap_atomic(sg_page(t), KM_SOFTIRQ0); err = ablkcipher_get(saddr, &t->length, t->offset, dst, nbytes, &nbytes); if (err < 0) { - kunmap_atomic(saddr, KM_IRQ1); + kunmap_atomic(saddr, KM_SOFTIRQ0); break; } idx += err; - kunmap_atomic(saddr, KM_IRQ1); + kunmap_atomic(saddr, KM_SOFTIRQ0); } ablkcipher_walk_exit(&rctx->walk); |