kbuild: Fix compiler warning with assertion when calling 'fwrite'

[linux-flexiantxendom0-3.2.10.git] / scripts / kconfig / lkc.h

diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index b633bdb..c18f2bd 100644 (file)
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -90,8 +90,10 @@ struct conf_printer {
 /* confdata.c and expr.c */
 static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
 {
-       if (fwrite(str, len, count, out) < count)
-               fprintf(stderr, "\nError in writing or end of file.\n");
+       assert(len != 0);
+
+       if (fwrite(str, len, count, out) != count)
+               fprintf(stderr, "Error in writing or end of file.\n");
 }
 
 /* menu.c */