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[PATCH] rtc subsystem: use ENOIOCTLCMD and ENOTTY where appropriate

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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>
This commit is contained in:
Alessandro Zummo
2006-05-20 15:00:29 -07:00
committed by Linus Torvalds
parent eae07ac607
commit b3969e5831
4 changed files with 6 additions and 6 deletions
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2
drivers/rtc/rtc-sa1100.c
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@@ -247,7 +247,7 @@ static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
rtc_freq = arg;
return 0;
}
return -EINVAL;
return -ENOIOCTLCMD;
}
static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm)