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-rw-r--r--scripts/kconfig/expr.h1
-rw-r--r--scripts/kconfig/lkc.h6
2 files changed, 5 insertions, 2 deletions
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 80fce57080cc..d4ecce8bc3a6 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -10,6 +10,7 @@
extern "C" {
#endif
+#include <assert.h>
#include <stdio.h>
#ifndef __cplusplus
#include <stdbool.h>
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index b633bdb9f3d4..c18f2bd9c095 100644
--- 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 */