From: Pavel Borzenkov <pavel.borzenkov@gmail.com>
Date: Mon, 31 Oct 2011 18:53:37 +0000 (+0400)
Subject: cmd: Fix potential NULL pointer dereference
X-Git-Tag: TizenStudio_2.0_p2.3.2~208^2~5058^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ba7806ad92a2f6b1625cfa67d44dc1b71e3be44e;p=sdk%2Femulator%2Fqemu.git

cmd: Fix potential NULL pointer dereference

Signed-off-by: Pavel Borzenkov <pavel.borzenkov@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
---

diff --git a/cmd.c b/cmd.c
index a6e3ef4..75415d8 100644
--- a/cmd.c
+++ b/cmd.c
@@ -47,7 +47,7 @@ compare(const void *a, const void *b)
 
 void add_command(const cmdinfo_t *ci)
 {
-    cmdtab = realloc((void *)cmdtab, ++ncmds * sizeof(*cmdtab));
+    cmdtab = g_realloc((void *)cmdtab, ++ncmds * sizeof(*cmdtab));
     cmdtab[ncmds - 1] = *ci;
     qsort(cmdtab, ncmds, sizeof(*cmdtab), compare);
 }
@@ -122,12 +122,7 @@ find_command(
 
 void add_user_command(char *optarg)
 {
-    ncmdline++;
-    cmdline = realloc(cmdline, ncmdline * sizeof(char *));
-    if (!cmdline) {
-        perror("realloc");
-        exit(1);
-    }
+    cmdline = g_realloc(cmdline, ++ncmdline * sizeof(char *));
     cmdline[ncmdline-1] = optarg;
 }
 
@@ -190,7 +185,7 @@ void command_loop(void)
         doneline(input, v);
     }
     if (cmdline) {
-        free(cmdline);
+        g_free(cmdline);
         return;
     }