[PATCH] rtc subsystem: use ENOIOCTLCMD and ENOTTY where appropriate
Appropriately use -ENOIOCTLCMD and -ENOTTY when the ioctl is not
implemented by a driver.
(akpm: we're not allowed to return -ENOIOCTLCMD to userspace. This patch does
the right thing).
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 2bc8aad..a997529 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -247,7 +247,7 @@
rtc_freq = arg;
return 0;
}
- return -EINVAL;
+ return -ENOIOCTLCMD;
}
static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm)