jerasure.c: fix memory leak in error case

Check matrix for NULL before call talloc().

CID 1093213 (#1 of 1): Resource leak (RESOURCE_LEAK)
 4. leaked_storage: Variable "bitmatrix" going out of scope
 leaks the storage it points to.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/jerasure.c b/src/jerasure.c
index bb577af0f38af85e34d11f91b456039ef2894c3c..d2af91889b2f8df20c705b753a0bcd57f16de54e 100644 (file)
--- a/src/jerasure.c
+++ b/src/jerasure.c
@@ -273,9 +273,10 @@ int *jerasure_matrix_to_bitmatrix(int k, int m, int w, int *matrix)
   int *bitmatrix;
   int rowelts, rowindex, colindex, elt, i, j, l, x;
 
-  bitmatrix = talloc(int, k*m*w*w);
   if (matrix == NULL) { return NULL; }
 
+  bitmatrix = talloc(int, k*m*w*w);
+
   rowelts = k * w;
   rowindex = 0;