build system: fix compiler warnings

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index adba1141b..c3a837a14 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -482,7 +482,8 @@ static int exec_conf(void)
 
         *argptr++ = NULL;
 
-        pipe(pipefd);
+        if (pipe(pipefd))
+                _exit(EXIT_FAILURE);
         pid = fork();
         if (pid == 0) {
                 sigprocmask(SIG_SETMASK, &osset, NULL);
@@ -846,9 +847,11 @@ static void conf(struct menu *menu)
 static void show_textbox(const char *title, const char *text, int r, int c)
 {
         int fd;
+        int len = strlen(text);
 
         fd = creat(".help.tmp", 0777);
-        write(fd, text, strlen(text));
+        if (write(fd, text, len) != len)
+                exit(1);
         close(fd);
         show_file(".help.tmp", title, r, c);
         unlink(".help.tmp");