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crypto: caam - fix return code in completion callbacks

Bläddra i källkod 
Modify drive to provide a valid errno (and not the HW error ID)
to the user, via completion callbacks.

A "valid errno" is currently not explicitly mentioned in the docs,
however the error code is expected to match the one returned by the
generic SW implementation.

Note: in most error cases caam/qi and caam/qi2 returned -EIO; align all
caam drivers to return -EINVAL.

While here, ratelimit prints triggered by fuzz testing, such that
console is not flooded.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geantă
2019-07-31 16:08:03 +03:00
committad av Herbert Xu
förälder 51fab3d730
incheckning 1984aaeec3
9 ändrade filer med 104 tillägg och 117 borttagningar
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26
drivers/crypto/caam/caamalg.c
Visa fil

@@ -930,19 +930,20 @@ static void aead_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
{
struct aead_request *req = context;
struct aead_edesc *edesc;
int ecode = 0;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = container_of(desc, struct aead_edesc, hw_desc[0]);
if (err)
caam_jr_strstatus(jrdev, err);
ecode = caam_jr_strstatus(jrdev, err);
aead_unmap(jrdev, edesc, req);
kfree(edesc);
aead_request_complete(req, err);
aead_request_complete(req, ecode);
}
static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
@@ -950,25 +951,20 @@ static void aead_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
{
struct aead_request *req = context;
struct aead_edesc *edesc;
int ecode = 0;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = container_of(desc, struct aead_edesc, hw_desc[0]);
if (err)
caam_jr_strstatus(jrdev, err);
ecode = caam_jr_strstatus(jrdev, err);
aead_unmap(jrdev, edesc, req);
/*
* verify hw auth check passed else return -EBADMSG
*/
if ((err & JRSTA_CCBERR_ERRID_MASK) == JRSTA_CCBERR_ERRID_ICVCHK)
err = -EBADMSG;
kfree(edesc);
aead_request_complete(req, err);
aead_request_complete(req, ecode);
}
static void skcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
@@ -978,13 +974,14 @@ static void skcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
struct skcipher_edesc *edesc;
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
int ivsize = crypto_skcipher_ivsize(skcipher);
int ecode = 0;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = container_of(desc, struct skcipher_edesc, hw_desc[0]);
if (err)
caam_jr_strstatus(jrdev, err);
ecode = caam_jr_strstatus(jrdev, err);
skcipher_unmap(jrdev, edesc, req);
@@ -1008,7 +1005,7 @@ static void skcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
kfree(edesc);
skcipher_request_complete(req, err);
skcipher_request_complete(req, ecode);
}
static void skcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
@@ -1018,12 +1015,13 @@ static void skcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
struct skcipher_edesc *edesc;
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
int ivsize = crypto_skcipher_ivsize(skcipher);
int ecode = 0;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = container_of(desc, struct skcipher_edesc, hw_desc[0]);
if (err)
caam_jr_strstatus(jrdev, err);
ecode = caam_jr_strstatus(jrdev, err);
skcipher_unmap(jrdev, edesc, req);
@@ -1047,7 +1045,7 @@ static void skcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
kfree(edesc);
skcipher_request_complete(req, err);
skcipher_request_complete(req, ecode);
}
/*