[PATCH 2/2] rtc-dev: return -ENOTTY in ioctl if irq_set_freq is not implemented by driver

Signed-off-by: Hans-Christian Egtvedt <[email protected]>
---
 drivers/rtc/rtc-dev.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 137330b..7f0e749 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -306,6 +306,8 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
 	case RTC_IRQP_READ:
 		if (ops->irq_set_freq)
 			err = put_user(rtc->irq_freq, (unsigned long __user *)uarg);
+		else
+			err = -ENOTTY;
 		break;
 
 	case RTC_IRQP_SET:
-- 
1.4.4.2

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [PATCH 1/2] rtc: make example code jump to done instead of return when ioctl not supported
    • From: Hans-Christian Egtvedt <[email protected]>

• Prev by Date: Re: [ckrm-tech] Per container statistics (containerstats)
• Next by Date: [PATCH 1/2] rtc: make example code jump to done instead of return when ioctl not supported
• Previous by thread: [PATCH 1/2] rtc: make example code jump to done instead of return when ioctl not supported
• Next by thread: [PATCH -mm] remove CONFIG_UTS_NS and CONFIG_IPC_NS
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]