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patch "iio: sw-trigger: Fix config group initialization" added to staging-linus

PATCH [email protected] 1 participant 1 message Aug 23, 2016

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This is a note to let you know that I've just added the patch titled

iio: sw-trigger: Fix config group initialization

to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-linus branch.

The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.)

The patch will hopefully also be merged in Linus's tree for the next -rc kernel release.

If you have any questions about this process, please let me know.

Quoted 1 line

From b2f0c09664b72b2f8c581383a9337ac3092e42c8 Mon Sep 17 00:00:00 2001

From: Lars-Peter Clausen <[email protected]>
Date: Mon, 11 Jul 2016 13:50:01 +0200
Subject: iio: sw-trigger: Fix config group initialization

Use the IS_ENABLED() helper macro to ensure that the configfs group is initialized either when configfs is built-in or when configfs is built as a module. Otherwise software trigger creation will result in undefined behaviour when configfs is built as a mdoule since the configfs group for the trigger is not properly initialized.

Fixes b662f809d410 ("iio: core: Introduce IIO software triggers")
---
 include/linux/iio/sw_trigger.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
include/linux/iio/sw_trigger.h +1 -1
index 5198f8ed08a4..c97eab67558f 100644
@@ -62,7 +62,7 @@ void iio_swt_group_init_type_name(struct iio_sw_trigger *t,
 				  const char *name,
 				  struct config_item_type *type)
 {
-#ifdef CONFIG_CONFIGFS_FS
+#if IS_ENABLED(CONFIG_CONFIGFS_FS)
 	config_group_init_type_name(&t->group, name, type);
 #endif
 }
Signature · 1 line
2.9.3