sysfs: fix warning when creating a sysfs group without attributes
When attempting to create a gropu without attrs, the warning prints the name of the group. However, the check for name being a NULL pointer is wrong: it uses the pointer to the name when it's NULL. Fix it to use the name if present, otherwise just put an empty string. Cc: Bruno Prémont <bonbons@linux-vserver.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -99,7 +99,7 @@ static int internal_create_group(struct kobject *kobj, int update,
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return -EINVAL;
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if (!grp->attrs && !grp->bin_attrs) {
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WARN(1, "sysfs: (bin_)attrs not set by subsystem for group: %s/%s\n",
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kobj->name, grp->name ? "" : grp->name);
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kobj->name, grp->name ?: "");
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return -EINVAL;
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}
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if (grp->name) {
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