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| author | Horia Geantă <horia.geanta@nxp.com> | 2018-01-29 10:38:35 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-02-15 23:26:53 +0800 |
| commit | cb3078f35b16b5346a90317d2d4ce2a577429d8a (patch) | |
| tree | a85f919b8ff3a73d7eddfc966e9928ef890a46e5 /drivers/crypto/caam/caamalg_qi.c | |
| parent | dc7bcef5e956257c9cfb19a9a8d32b824b78ef64 (diff) | |
| download | linux-cb3078f35b16b5346a90317d2d4ce2a577429d8a.tar.bz2 | |
crypto: caam/qi - return -EBADMSG for ICV check failure
Crypto drivers are expected to return -EBADMSG in case of
ICV check (authentication) failure.
In this case it also makes sense to suppress the error message
in the QI dequeue callback.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamalg_qi.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_qi.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index 4aecc9435f69..f4db39495d22 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -562,8 +562,18 @@ static void aead_done(struct caam_drv_req *drv_req, u32 status) qidev = caam_ctx->qidev; if (unlikely(status)) { + u32 ssrc = status & JRSTA_SSRC_MASK; + u8 err_id = status & JRSTA_CCBERR_ERRID_MASK; + caam_jr_strstatus(qidev, status); - ecode = -EIO; + /* + * verify hw auth check passed else return -EBADMSG + */ + if (ssrc == JRSTA_SSRC_CCB_ERROR && + err_id == JRSTA_CCBERR_ERRID_ICVCHK) + ecode = -EBADMSG; + else + ecode = -EIO; } edesc = container_of(drv_req, typeof(*edesc), drv_req); |