The patch titled
Remove __must_check for device_for_each_child()
has been added to the -mm tree. Its filename is
remove-__must_check-for-device_for_each_child.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Remove __must_check for device_for_each_child()
From: Russell King <rmk+lkml@xxxxxxxxxxxxxxxx>
The return code from device_for_each_child() depends on the values which
the helper function returns. If the helper function always returns zero,
it's utterly pointless to check the return code from
device_for_each_child().
The only code which knows if the return value should be checked is the
caller itself, so forcing the return code to always be checked is silly.
Hence, remove the __must_check annotation.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/linux/device.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/device.h~remove-__must_check-for-device_for_each_child include/linux/device.h
--- a/include/linux/device.h~remove-__must_check-for-device_for_each_child
+++ a/include/linux/device.h
@@ -393,7 +393,7 @@ extern void device_unregister(struct dev
extern void device_initialize(struct device * dev);
extern int __must_check device_add(struct device * dev);
extern void device_del(struct device * dev);
-extern int __must_check device_for_each_child(struct device *, void *,
+extern int device_for_each_child(struct device *, void *,
int (*fn)(struct device *, void *));
extern int device_rename(struct device *dev, char *new_name);
_
Patches currently in -mm which might be from rmk+lkml@xxxxxxxxxxxxxxxx are
remove-__must_check-for-device_for_each_child.patch
-
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