The return value isn't initialized on some success paths.

Fixes: c5f39d07860c ("staging: ccree: fix leak of import() after init()")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c
index a2e8a9d32e00..3855c42e61af 100644
--- a/drivers/staging/ccree/ssi_hash.c
+++ b/drivers/staging/ccree/ssi_hash.c
@@ -1823,7 +1823,7 @@ static int ssi_ahash_import(struct ahash_request *req, 
const void *in)
        struct device *dev = drvdata_to_dev(ctx->drvdata);
        struct ahash_req_ctx *state = ahash_request_ctx(req);
        u32 tmp;
-       int rc;
+       int rc = 0;
 
        memcpy(&tmp, in, sizeof(u32));
        if (tmp != CC_EXPORT_MAGIC) {
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