From 3757e57f7b239db040604c402c26ec3a6295116f Mon Sep 17 00:00:00 2001 From: Sami Kerola Date: Sat, 13 Apr 2013 20:54:50 +0100 Subject: wdctl: check writing to a file descriptor was successful Signed-off-by: Sami Kerola --- sys-utils/wdctl.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'sys-utils/wdctl.c') diff --git a/sys-utils/wdctl.c b/sys-utils/wdctl.c index 24ec770fb..af9a39338 100644 --- a/sys-utils/wdctl.c +++ b/sys-utils/wdctl.c @@ -330,7 +330,8 @@ static int set_watchdog(struct wdinfo *wd, int timeout) warn(_("cannot set timeout for %s"), wd->device); } - close(fd); + if (close_fd(fd)) + warn(_("write failed")); sigprocmask(SIG_SETMASK, &oldsigs, NULL); printf("Set timeout to %d seconds\n", timeout); @@ -393,7 +394,8 @@ static int read_watchdog(struct wdinfo *wd) * the machine might end up rebooting. */ } - close(fd); + if (close_fd(fd)) + warn(_("write failed")); sigprocmask(SIG_SETMASK, &oldsigs, NULL); return 0; -- cgit v1.2.3-55-g7522