diff options
| author | Evgeniy Polyakov <johnpol@2ka.mipt.ru> | 2008-10-12 20:14:15 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-12-25 11:01:07 +1100 |
| commit | a44b56cc69a5b017f396ed1daeaef6a63e086656 (patch) | |
| tree | fdc9e72b5de1405a685153d6c702ff785ab999ae /drivers/crypto/hifn_795x.c | |
| parent | 4a6908a3a050aacc9c3a2f36b276b46c0629ad91 (diff) | |
| download | linux-stable-a44b56cc69a5b017f396ed1daeaef6a63e086656.tar.gz linux-stable-a44b56cc69a5b017f396ed1daeaef6a63e086656.tar.bz2 linux-stable-a44b56cc69a5b017f396ed1daeaef6a63e086656.zip | |
crypto: hifn - Disable driver when physical size exceeds 32 bits
On Tue, Sep 23, 2008 at 08:06:32PM +0200, Dimitri Puzin (max@psycast.de) wrote:
> With this patch applied it still doesn't work as expected. The overflow
> messages are gone however syslog shows
> [ 120.924266] hifn0: abort: c: 0, s: 1, d: 0, r: 0.
> when doing cryptsetup luksFormat as in original e-mail. At this point
> cryptsetup hangs and can't be killed with -SIGKILL. I've attached
> SysRq-t dump of this condition.
Yes, I was wrong with the patch: HIFN does not support 64-bit addresses
afaics.
Attached patch should not allow HIFN to be registered on 64-bit arch, so
crypto layer will fallback to the software algorithms.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hifn_795x.c')
| -rw-r--r-- | drivers/crypto/hifn_795x.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index 4d22b21bd3e3..2969ea99f7c7 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -2782,6 +2782,11 @@ static int __devinit hifn_init(void) unsigned int freq; int err; + if (sizeof(dma_addr_t) > 4) { + printk(KERN_INFO "HIFN supports only 32-bit addresses.\n"); + return -EINVAL; + } + if (strncmp(hifn_pll_ref, "ext", 3) && strncmp(hifn_pll_ref, "pci", 3)) { printk(KERN_ERR "hifn795x: invalid hifn_pll_ref clock, " |