[Qemu-devel] [PULL 13/42] ppc: fix memory leak in spapr_dt_drc()

[David Gibson <david@gibson.dropbear.id.au>]

From: Shivaprasad G Bhat <sbhat@linux.ibm.com>

Leaking the drc_name while preparing the DT properties.
Fixing that.

Also, remove the const qualifier from spapr_drc_name().

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Message-Id: <156335159028.82682.5404622104535818162.stgit@lep8c.aus.stglabs.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/ppc/spapr_drc.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 09255f4951..62f1a42592 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -227,7 +227,7 @@ static uint32_t drc_set_unusable(SpaprDrc *drc)
     return RTAS_OUT_SUCCESS;
 }
 
-static const char *spapr_drc_name(SpaprDrc *drc)
+static char *spapr_drc_name(SpaprDrc *drc)
 {
     SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
 
@@ -828,6 +828,7 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask)
         Object *obj;
         SpaprDrc *drc;
         SpaprDrcClass *drck;
+        char *drc_name = NULL;
         uint32_t drc_index, drc_power_domain;
 
         if (!strstart(prop->type, "link<", NULL)) {
@@ -857,8 +858,10 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask)
         g_array_append_val(drc_power_domains, drc_power_domain);
 
         /* ibm,drc-names */
-        drc_names = g_string_append(drc_names, spapr_drc_name(drc));
+        drc_name = spapr_drc_name(drc);
+        drc_names = g_string_append(drc_names, drc_name);
         drc_names = g_string_insert_len(drc_names, -1, "\0", 1);
+        g_free(drc_name);
 
         /* ibm,drc-types */
         drc_types = g_string_append(drc_types, drck->typename);
-- 
2.21.0