From fd0fbcc27fd72a11dacc3f1a1681ee4dfd256a0b Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 2 Oct 2006 02:17:37 -0700 Subject: [PATCH] [PATCH] isdn4linux: Gigaset driver: fix __must_check warning This patch to the Siemens Gigaset driver fixes the compile warning "ignoring return value of 'class_device_create_file', declared with attribute warn_unused_result" appearing with CONFIG_ENABLE_MUST_CHECK=y in release 2.6.18-rc1-mm1. Signed-off-by: Tilman Schmidt Acked-by: Hansjoerg Lipp Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/proc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c index 9ae3a7f3e7b3..9ad840e95dbe 100644 --- a/drivers/isdn/gigaset/proc.c +++ b/drivers/isdn/gigaset/proc.c @@ -83,5 +83,6 @@ void gigaset_init_dev_sysfs(struct cardstate *cs) return; gig_dbg(DEBUG_INIT, "setting up sysfs"); - class_device_create_file(cs->class, &class_device_attr_cidmode); + if (class_device_create_file(cs->class, &class_device_attr_cidmode)) + dev_err(cs->dev, "could not create sysfs attribute\n"); } -- 2.20.1