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authorGilad Ben-Yossef <gilad@benyossef.com>2019-04-18 16:38:50 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2019-04-25 15:38:14 +0800
commitd574b707c873d6ef1a2a155f8cfcfecd821e9a2e (patch)
treebc57d30f29100b5aa1dcd9d768876503816bf76a /drivers/crypto
parent1a143cdde4af13e2f564410c5f2a1646f74daa43 (diff)
downloadlinux-d574b707c873d6ef1a2a155f8cfcfecd821e9a2e.tar.bz2
crypto: ccree - fix mem leak on error path
Fix a memory leak on the error path of IV generation code. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/ccree/cc_ivgen.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/crypto/ccree/cc_ivgen.c b/drivers/crypto/ccree/cc_ivgen.c
index 769458323394..1abec3896a78 100644
--- a/drivers/crypto/ccree/cc_ivgen.c
+++ b/drivers/crypto/ccree/cc_ivgen.c
@@ -154,9 +154,6 @@ void cc_ivgen_fini(struct cc_drvdata *drvdata)
}
ivgen_ctx->pool = NULL_SRAM_ADDR;
-
- /* release "this" context */
- kfree(ivgen_ctx);
}
/*!
@@ -174,10 +171,12 @@ int cc_ivgen_init(struct cc_drvdata *drvdata)
int rc;
/* Allocate "this" context */
- ivgen_ctx = kzalloc(sizeof(*ivgen_ctx), GFP_KERNEL);
+ ivgen_ctx = devm_kzalloc(device, sizeof(*ivgen_ctx), GFP_KERNEL);
if (!ivgen_ctx)
return -ENOMEM;
+ drvdata->ivgen_handle = ivgen_ctx;
+
/* Allocate pool's header for initial enc. key/IV */
ivgen_ctx->pool_meta = dma_alloc_coherent(device, CC_IVPOOL_META_SIZE,
&ivgen_ctx->pool_meta_dma,
@@ -196,8 +195,6 @@ int cc_ivgen_init(struct cc_drvdata *drvdata)
goto out;
}
- drvdata->ivgen_handle = ivgen_ctx;
-
return cc_init_iv_sram(drvdata);
out: