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authorAlessandro Zummo <alessandro.zummo@towertech.it>2006-05-20 15:00:29 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-05-21 12:59:21 -0700
commitb3969e5831adac133b286600e74214e1ae42ec05 (patch)
treed708f1be2b626f0f73ab09a7e6a241640a5dd9fc /drivers/rtc
parenteae07ac607f317ee6781983d3f9d8f77ef144b45 (diff)
downloadop-kernel-dev-b3969e5831adac133b286600e74214e1ae42ec05.zip
op-kernel-dev-b3969e5831adac133b286600e74214e1ae42ec05.tar.gz
[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>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-dev.c6
-rw-r--r--drivers/rtc/rtc-sa1100.c2
-rw-r--r--drivers/rtc/rtc-test.c2
-rw-r--r--drivers/rtc/rtc-vr41xx.c2
4 files changed, 6 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 6c9ad92..2011567 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -141,13 +141,13 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
/* try the driver's ioctl interface */
if (ops->ioctl) {
err = ops->ioctl(class_dev->dev, cmd, arg);
- if (err != -EINVAL)
+ if (err != -ENOIOCTLCMD)
return err;
}
/* if the driver does not provide the ioctl interface
* or if that particular ioctl was not implemented
- * (-EINVAL), we will try to emulate here.
+ * (-ENOIOCTLCMD), we will try to emulate here.
*/
switch (cmd) {
@@ -233,7 +233,7 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
break;
default:
- err = -EINVAL;
+ err = -ENOTTY;
break;
}
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 @@ 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)
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index e1f7e8e..e1fa5fe 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -71,7 +71,7 @@ static int test_rtc_ioctl(struct device *dev, unsigned int cmd,
return 0;
default:
- return -EINVAL;
+ return -ENOIOCTLCMD;
}
}
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 4d49fd5..277596c 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -270,7 +270,7 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long
epoch = arg;
break;
default:
- return -EINVAL;
+ return -ENOIOCTLCMD;
}
return 0;
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