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driver core: remove __must_check from device_create_file 

With the conversion of the sysdev to a real struct device, more drivers
are calling device_create_file, and some of them don't check the return
value, which isn't wise.

But as they happen to be in parts of the kernel where a warning is
considered an error (i.e. powerpc), this breaks the build.  So for now,
remove the marking on the function, which fixes the build problems.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2012-01-04 15:05:10 -08:00
parent 3b85e4ab2e
commit b9d4e714a8
1 changed files with 2 additions and 2 deletions
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2
include/linux/device.h
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@ -510,7 +510,7 @@ ssize_t device_store_int(struct device *dev, struct device_attribute *attr,
struct dev_ext_attribute dev_attr_##_name = \
{ __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }
extern int __must_check device_create_file(struct device *device,
extern int device_create_file(struct device *device,
const struct device_attribute *entry);
extern void device_remove_file(struct device *dev,
const struct device_attribute *attr);