crypto: lib/mpi - Fix an "Uninitialized scalar variable" issue

The "err" variable may be returned without an initialized value.

Fixes: 8e3a67f2de87 ("crypto: lib/mpi - Add error checks to extension")
Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/lib/crypto/mpi/mpi-mul.c b/lib/crypto/mpi/mpi-mul.c
index 892a246216b9c22082a3e40d5acc805e65d4b08d..7e6ff1ce3e9b63fb4fdfbbf43355f97d25fb005e 100644 (file)
--- a/lib/crypto/mpi/mpi-mul.c
+++ b/lib/crypto/mpi/mpi-mul.c
@@ -21,7 +21,7 @@ int mpi_mul(MPI w, MPI u, MPI v)
        int usign, vsign, sign_product;
        int assign_wp = 0;
        mpi_ptr_t tmp_limb = NULL;
-       int err;
+       int err = 0;
 
        if (u->nlimbs < v->nlimbs) {
                /* Swap U and V. */