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-rw-r--r--arch/um/os-Linux/mem.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 38742c21def..93a11d7edfa 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -162,11 +162,6 @@ found:
goto out;
}
-/*
- * This proc still used in tt-mode
- * (file: kernel/tt/ptproxy/proxy.c, proc: start_debugger).
- * So it isn't 'static' yet.
- */
static int __init make_tempfile(const char *template, char **out_tempname,
int do_unlink)
{
@@ -175,10 +170,13 @@ static int __init make_tempfile(const char *template, char **out_tempname,
which_tmpdir();
tempname = malloc(MAXPATHLEN);
- if (!tempname)
- goto out;
+ if (tempname == NULL)
+ return -1;
find_tempdir();
+ if ((tempdir == NULL) || (strlen(tempdir) >= MAXPATHLEN))
+ return -1;
+
if (template[0] != '/')
strcpy(tempname, tempdir);
else
@@ -196,9 +194,8 @@ static int __init make_tempfile(const char *template, char **out_tempname,
}
if (out_tempname) {
*out_tempname = tempname;
- } else {
+ } else
free(tempname);
- }
return fd;
out:
free(tempname);