bootchart: fix two unitialized memory frees

The new gcc isn't bad!

In file included from src/bootchart/svg.c:36:0:
src/bootchart/svg.c: In function 'svg_ps_bars':
./src/shared/util.h:524:13: warning: 'enc_name' may be used uninitialized in this function [-Wmaybe-uninitialized]
         free(*(void**) p);
             ^
src/bootchart/svg.c:821:37: note: 'enc_name' was declared here
                 char _cleanup_free_*enc_name;
                                     ^
  CC     src/udev/mtd_probe/mtd_probe-probe_smartmedia.o
  XSLT     man/systemd.unit.5
In file included from src/bootchart/svg.c:36:0:
src/bootchart/svg.c: In function 'svg_pss_graph':
./src/shared/util.h:524:13: warning: 'enc_name' may be used uninitialized in this function [-Wmaybe-uninitialized]
         free(*(void**) p);
             ^
src/bootchart/svg.c:395:37: note: 'enc_name' was declared here
                 char _cleanup_free_*enc_name;
                                     ^

diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index 231d3daa8002a1526873f4f9d968dad4b8dca7e6..cd896895c9ba2adf650d60b0d8b91150351be3e1 100644 (file)
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -392,7 +392,7 @@ static void svg_pss_graph(void) {
         svg("\n\n<!-- PSS map - csv format -->\n");
         ps = ps_first;
         while (ps->next_ps) {
-                char _cleanup_free_*enc_name;
+                char _cleanup_free_ *enc_name = NULL;
                 ps = ps->next_ps;
                 if (!ps)
                         continue;
@@ -818,7 +818,7 @@ static void svg_ps_bars(void) {
         /* pass 2 - ps boxes */
         ps = ps_first;
         while ((ps = get_next_ps(ps))) {
-                char _cleanup_free_*enc_name;
+                char _cleanup_free_ *enc_name = NULL;
 
                 double starttime;
                 int t;