mpi/mpi-mpow: NULL dereference on allocation failure

We can't call mpi_free() on the elements if the first kzalloc() fails. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Dmitry Kasatkin <[email protected]> Signed-off-by: James Morris <[email protected]>
marineam · Dec 7, 2011 · fe0e94c · fe0e94c
1 parent de35353
commit fe0e94c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/mpi/mpi-mpow.c b/lib/mpi/mpi-mpow.c
@@ -73,7 +73,7 @@ int mpi_mulpowm(MPI res, MPI *basearray, MPI *exparray, MPI m)
 
 	G = kzalloc((1 << k) * sizeof *G, GFP_KERNEL);
 	if (!G)
-		goto nomem;
+		goto err_out;
 
 	/* and calculate */
 	tmp = mpi_alloc(mpi_get_nlimbs(m) + 1);
@@ -129,5 +129,6 @@ int mpi_mulpowm(MPI res, MPI *basearray, MPI *exparray, MPI m)
 	for (i = 0; i < (1 << k); i++)
 		mpi_free(G[i]);
 	kfree(G);
+err_out:
 	return rc;
 }