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driver core: Convert some drivers to CLASS_ATTR_STRING

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Convert some drivers who export a single string as class attribute
to the new class_attr_string functions. This removes redundant
code all over.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andi Kleen 2010-01-05 12:48:09 +01:00 • committed by Greg Kroah-Hartman
parent 869dfc875e
commit 0933e2d98d
6 changed files with 27 additions and 57 deletions
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11
drivers/infiniband/core/user_mad.c
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@ -965,13 +965,8 @@ static ssize_t show_port(struct device *dev, struct device_attribute *attr,
}
static DEVICE_ATTR(port, S_IRUGO, show_port, NULL);
static ssize_t show_abi_version(struct class *class,
struct class_attribute *attr,
char *buf)
{
return sprintf(buf, "%d\n", IB_USER_MAD_ABI_VERSION);
}
static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
static CLASS_ATTR_STRING(abi_version, S_IRUGO,
__stringify(IB_USER_MAD_ABI_VERSION));
static dev_t overflow_maj;
static DECLARE_BITMAP(overflow_map, IB_UMAD_MAX_PORTS);
@ -1196,7 +1191,7 @@ static int __init ib_umad_init(void)
goto out_chrdev;
}
ret = class_create_file(umad_class, &class_attr_abi_version);
ret = class_create_file(umad_class, &class_attr_abi_version.attr);
if (ret) {
printk(KERN_ERR "user_mad: couldn't create abi_version attribute\n");
goto out_class;