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crypto: talitos - fix bad kfree 

Fix a kfree to an invalid address which causes an oops when running
on SEC v2.0 h/w (introduced in commit 702331b "crypto: talitos - add
hmac algorithms").

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kim Phillips 2011-12-12 14:59:10 -06:00 committed by Herbert Xu
parent 741e8c2d81
commit 0b2730d8d8
1 changed files with 4 additions and 4 deletions
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8
drivers/crypto/talitos.c
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@ -2626,8 +2626,10 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
alg = &t_alg->algt.alg.hash.halg.base;
alg->cra_init = talitos_cra_init_ahash;
if (!(priv->features & TALITOS_FTR_HMAC_OK) &&
!strncmp(alg->cra_name, "hmac", 4))
!strncmp(alg->cra_name, "hmac", 4)) {
kfree(t_alg);
return ERR_PTR(-ENOTSUPP);
}
if (!(priv->features & TALITOS_FTR_SHA224_HWINIT) &&
(!strcmp(alg->cra_name, "sha224") ||
!strcmp(alg->cra_name, "hmac(sha224)"))) {
@ -2835,10 +2837,8 @@ static int talitos_probe(struct platform_device *ofdev)
t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
if (err == -ENOTSUPP) {
kfree(t_alg);
if (err == -ENOTSUPP)
continue;
}
goto err_out;
}