From 2fdf2130926f07881c75e3905ece472c37d7703f Mon Sep 17 00:00:00 2001 From: Vitaliy Ivanov Date: Mon, 25 Jul 2011 17:12:50 -0700 Subject: [PATCH] uml: helper.c warning corrections Fix this warning: arch/um/os-Linux/helper.c: In function `helper_child': arch/um/os-Linux/helper.c:38:7: warning: ignoring return value of `write', declared with attribute warn_unused_result [richard@nod.at: happens only with -D_FORTIFY_SOURCE=2] Signed-off-by: Vitaliy Ivanov Signed-off-by: Richard Weinberger Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/os-Linux/helper.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c index b6b1096..feff22d 100644 --- a/arch/um/os-Linux/helper.c +++ b/arch/um/os-Linux/helper.c @@ -28,14 +28,14 @@ static int helper_child(void *arg) { struct helper_data *data = arg; char **argv = data->argv; - int err; + int err, ret; if (data->pre_exec != NULL) (*data->pre_exec)(data->pre_data); err = execvp_noalloc(data->buf, argv[0], argv); /* If the exec succeeds, we don't get here */ - write(data->fd, &err, sizeof(err)); + CATCH_EINTR(ret = write(data->fd, &err, sizeof(err))); return 0; } -- 2.7.4