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>
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 230509e..d376cc7 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -2626,8 +2626,10 @@
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 @@
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;
}