1 files changed, 23 insertions, 0 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index f5959476e53..797428afd11 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -849,3 +849,26 @@ int sscanf(const char * buf, const char * fmt, ...)
 }
 
 EXPORT_SYMBOL(sscanf);
+
+
+/* Simplified asprintf. */
+char *kasprintf(gfp_t gfp, const char *fmt, ...)
+{
+	va_list ap;
+	unsigned int len;
+	char *p;
+
+	va_start(ap, fmt);
+	len = vsnprintf(NULL, 0, fmt, ap);
+	va_end(ap);
+
+	p = kmalloc(len+1, gfp);
+	if (!p)
+		return NULL;
+	va_start(ap, fmt);
+	vsnprintf(p, len+1, fmt, ap);
+	va_end(ap);
+	return p;
+}
+
+EXPORT_SYMBOL(kasprintf);