This is a note to let you know that I've just added the patch titled
Subject: staging: iio: Function iio_get_new_idr_val() return negative value if fails.
to my gregkh-2.6 tree. Its filename is
staging-iio-function-iio_get_new_idr_val-return-negative-value-if-fails.patch
This tree can be found at
http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/
>From jic23@xxxxxxxxx Thu Apr 22 16:40:17 2010
From: Sonic Zhang <sonic.adi@xxxxxxxxx>
Date: Mon, 22 Mar 2010 12:27:05 +0000
Subject: staging: iio: Function iio_get_new_idr_val() return negative value if fails.
To: sonic zhang <sonic.adi@xxxxxxxxx>
Cc: Linux Kernel <linux-kernel@xxxxxxxxxxxxxxx>, linux-iio <linux-iio@xxxxxxxxxxxxxxx>, Greg KH <greg@xxxxxxxxx>
Message-ID: <4BA76219.4030606@xxxxxxxxx>
Function iio_get_new_idr_val() return negative value if fails.
So, only error when ret < 0 in iio_device_register_eventset().
Signed-off-by: Sonic Zhang <sonic.adi@xxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/iio/industrialio-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -537,6 +537,7 @@ static void iio_device_unregister_sysfs(
sysfs_remove_group(&dev_info->dev.kobj, dev_info->attrs);
}
+/* This function return negative value if fails. */
int iio_get_new_idr_val(struct idr *this_idr)
{
int ret;
@@ -660,7 +661,7 @@ static int iio_device_register_eventset(
for (i = 0; i < dev_info->num_interrupt_lines; i++) {
dev_info->event_interfaces[i].owner = dev_info->driver_module;
ret = iio_get_new_idr_val(&iio_event_idr);
- if (ret)
+ if (ret < 0)
goto error_free_setup_ev_ints;
else
dev_info->event_interfaces[i].id = ret;
--
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