X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f53020e729d583f7975095ca7b4b467741d99edb..966c111e8c8e45e624465502d0ee405ebda9a39c:/client/reveng/reveng.c

diff --git a/client/reveng/reveng.c b/client/reveng/reveng.c
index 3c6da126..8a669e90 100644
--- a/client/reveng/reveng.c
+++ b/client/reveng/reveng.c
@@ -1,9 +1,9 @@
 /* reveng.c
- * Greg Cook, 9/Apr/2015
+ * Greg Cook, 27/Jun/2016
  */
 
-/* CRC RevEng, an arbitrary-precision CRC calculator and algorithm finder
- * Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015  Gregory Cook
+/* CRC RevEng: arbitrary-precision CRC calculator and algorithm finder
+ * Copyright (C) 2010, 2011, 2012, 2013, 2014, 2015, 2016  Gregory Cook
  *
  * This file is part of CRC RevEng.
  *
@@ -18,7 +18,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with CRC RevEng.  If not, see <http://www.gnu.org/licenses/>.
+ * along with CRC RevEng.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 /* 2013-09-16: calini(), calout() work on shortest argument
@@ -141,8 +141,10 @@ reveng(const model_t *guess, const poly_t qpoly, int rflags, int args, const pol
 		engini(&resc, &result, guess->spoly, guess->flags, args, argpolys);
 
 requit:
-	if(!(result = realloc(result, ++resc * sizeof(model_t))))
+	if(!(result = realloc(result, ++resc * sizeof(model_t)))) {
 		uerror("cannot reallocate result array");
+		return NULL;
+	}
 	rptr = result + resc - 1;
 	rptr->spoly  = pzero;
 	rptr->init   = pzero;
@@ -257,6 +259,7 @@ engini(int *resc, model_t **result, const poly_t divisor, int flags, int args, c
 		palloc(&apoly, dlen);
 		calini(resc, result, divisor, flags, apoly, args, argpolys);
 		pfree(&apoly);
+		free(mat);
 		return;
 	}
 
@@ -470,9 +473,12 @@ chkres(int *resc, model_t **result, const poly_t divisor, const poly_t init, int
 	pfree(&xor);
 	if(aptr != eptr) return;
 
-	if(!(*result = realloc(*result, ++*resc * sizeof(model_t))))
+	*result = realloc(*result, ++*resc * sizeof(model_t));
+	if (!*result) {
 		uerror("cannot reallocate result array");
-
+		return;
+	}
+	
 	rptr = *result + *resc - 1;
 	rptr->spoly  = pclone(divisor);
 	rptr->init   = pclone(init);