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| author | Patrick McHardy <kaber@trash.net> | 2008-05-07 22:32:28 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-07-10 20:35:11 +0800 |
| commit | 94eaa1bd7ca67e8f57919da96cbb41c215ef20cb (patch) | |
| tree | 62aa9f538cc928e090baf714b75b0fa6125c9991 /drivers/crypto/hifn_795x.c | |
| parent | 9e70a408ad66846bc98dc026efe0384ef68373fc (diff) | |
| download | blackbird-op-linux-94eaa1bd7ca67e8f57919da96cbb41c215ef20cb.tar.gz blackbird-op-linux-94eaa1bd7ca67e8f57919da96cbb41c215ef20cb.zip | |
[HIFN]: Handle ablkcipher_walk errors
ablkcipher_walk may return a negative error value, handle this properly
instead of treating it as a huge number of scatter-gather elements.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-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, 4 insertions, 1 deletions
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index cce6e6f1baa5..4e89cd8f664f 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -1602,7 +1602,10 @@ static int hifn_setup_session(struct ablkcipher_request *req) idx = 0; sg_num = ablkcipher_walk(req, &ctx->walk); - + if (sg_num < 0) { + err = sg_num; + goto err_out_exit; + } atomic_set(&ctx->sg_num, sg_num); spin_lock_irqsave(&dev->lock, flags); |
