[Qemu-trivial] [PATCH] ui/vnc: Convert sasl.mechlist to g_malloc() & friends

[Markus Armbruster <armbru@redhat.com>]

Fixes protocol_client_auth_sasl_mechname() not to crash when malloc()
fails.  Spotted by Coverity.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 ui/vnc-auth-sasl.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/ui/vnc-auth-sasl.c b/ui/vnc-auth-sasl.c
index 23b1bf5..a88973b 100644
--- a/ui/vnc-auth-sasl.c
+++ b/ui/vnc-auth-sasl.c
@@ -35,7 +35,7 @@ void vnc_sasl_client_cleanup(VncState *vs)
         vs->sasl.encodedLength = vs->sasl.encodedOffset = 0;
         vs->sasl.encoded = NULL;
         g_free(vs->sasl.username);
-        free(vs->sasl.mechlist);
+        g_free(vs->sasl.mechlist);
         vs->sasl.username = vs->sasl.mechlist = NULL;
         sasl_dispose(&vs->sasl.conn);
         vs->sasl.conn = NULL;
@@ -430,7 +430,7 @@ static int protocol_client_auth_sasl_start_len(VncState *vs, uint8_t *data, size
 
 static int protocol_client_auth_sasl_mechname(VncState *vs, uint8_t *data, size_t len)
 {
-    char *mechname = malloc(len + 1);
+    char *mechname = g_malloc(len + 1);
     if (!mechname) {
         VNC_DEBUG("Out of memory reading mechname\n");
         vnc_client_error(vs);
@@ -460,7 +460,7 @@ static int protocol_client_auth_sasl_mechname(VncState *vs, uint8_t *data, size_
         }
     }
 
-    free(vs->sasl.mechlist);
+    g_free(vs->sasl.mechlist);
     vs->sasl.mechlist = mechname;
 
     VNC_DEBUG("Validated mechname '%s'\n", mechname);
@@ -469,7 +469,7 @@ static int protocol_client_auth_sasl_mechname(VncState *vs, uint8_t *data, size_
 
  fail:
     vnc_client_error(vs);
-    free(mechname);
+    g_free(mechname);
     return -1;
 }
 
@@ -608,7 +608,7 @@ void start_auth_sasl(VncState *vs)
     }
     VNC_DEBUG("Available mechanisms for client: '%s'\n", mechlist);
 
-    if (!(vs->sasl.mechlist = strdup(mechlist))) {
+    if (!(vs->sasl.mechlist = g_strdup(mechlist))) {
         VNC_DEBUG("Out of memory");
         sasl_dispose(&vs->sasl.conn);
         vs->sasl.conn = NULL;
-- 
1.7.6.4