[GNUnet-SVN] r37263 - gnunet/src/util

[gnunet]

Author: grothoff
Date: 2016-06-11 16:20:28 +0200 (Sat, 11 Jun 2016)
New Revision: 37263

Modified:
   gnunet/src/util/crypto_kdf.c
Log:
fix memroy leak

Modified: gnunet/src/util/crypto_kdf.c
===================================================================
--- gnunet/src/util/crypto_kdf.c        2016-06-10 12:32:40 UTC (rev 37262)
+++ gnunet/src/util/crypto_kdf.c        2016-06-11 14:20:28 UTC (rev 37263)
@@ -108,7 +108,7 @@
 void
 GNUNET_CRYPTO_kdf_mod_mpi (gcry_mpi_t *r,
                            gcry_mpi_t n,
-                           const void *xts,  size_t xts_len, 
+                           const void *xts,  size_t xts_len,
                            const void *skm,  size_t skm_len,
                            const char *ctx)
 {
@@ -121,7 +121,8 @@
   /* GNUNET_assert (nbits > 512); */
 
   ctr = 0;
-  do {
+  while (1)
+  {
     /* Ain't clear if n is always divisible by 8 */
     uint8_t buf[ (nbits-1)/8 + 1 ];
 
@@ -145,7 +146,8 @@
     GNUNET_assert( 0 == gcry_mpi_test_bit (*r, nbits) );
     ++ctr;
     /* We reject this FDH if either *r > n and retry with another ctr */
-  } while ( 0 <= gcry_mpi_cmp(*r,n) );
+    if (0 > gcry_mpi_cmp(*r, n))
+      break;
+    gcry_mpi_release (*r);
+  }
 }
-
-