Add linux unused code tracking

[zfs.git] / lib / libzpool / kernel.c

diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c
index 0559347..494e544 100644 (file)
--- a/lib/libzpool/kernel.c
+++ b/lib/libzpool/kernel.c
@@ -1107,25 +1107,27 @@ ksiddomain_rele(ksiddomain_t *ksid)
        umem_free(ksid, sizeof (ksiddomain_t));
 }
 
-/*
- * Do not change the length of the returned string; it must be freed
- * with strfree().
- */
 char *
-kmem_asprintf(const char *fmt, ...)
+kmem_vasprintf(const char *fmt, va_list adx)
 {
-       int size;
-       va_list adx;
-       char *buf;
+       char *buf = NULL;
+       va_list adx_copy;
 
-       va_start(adx, fmt);
-       size = vsnprintf(NULL, 0, fmt, adx) + 1;
-       va_end(adx);
+       va_copy(adx_copy, adx);
+       VERIFY(vasprintf(&buf, fmt, adx_copy) != -1);
+       va_end(adx_copy);
 
-       buf = kmem_alloc(size, KM_SLEEP);
+       return (buf);
+}
+
+char *
+kmem_asprintf(const char *fmt, ...)
+{
+       char *buf = NULL;
+       va_list adx;
 
        va_start(adx, fmt);
-       size = vsnprintf(buf, size, fmt, adx);
+       VERIFY(vasprintf(&buf, fmt, adx) != -1);
        va_end(adx);
 
        return (buf);