From: gregkh@suse.de Date: Fri, 25 Mar 2005 23:52:00 +0000 (-0800) Subject: [PATCH] use device_for_each_child() to properly access child devices. X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9a881f166f473373589ce6f3fdc47b44a1450e2d;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [PATCH] use device_for_each_child() to properly access child devices. Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index c87ae469d707..2918b9600db7 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -348,17 +348,21 @@ spi_transport_rd_attr(rd_strm, "%d\n"); spi_transport_rd_attr(rti, "%d\n"); spi_transport_rd_attr(pcomp_en, "%d\n"); +/* we only care about the first child device so we return 1 */ +static int child_iter(struct device *dev, void *data) +{ + struct scsi_device *sdev = to_scsi_device(dev); + + spi_dv_device(sdev); + return 1; +} + static ssize_t store_spi_revalidate(struct class_device *cdev, const char *buf, size_t count) { struct scsi_target *starget = transport_class_to_starget(cdev); - /* FIXME: we're relying on an awful lot of device internals - * here. We really need a function to get the first available - * child */ - struct device *dev = container_of(starget->dev.children.next, struct device, node); - struct scsi_device *sdev = to_scsi_device(dev); - spi_dv_device(sdev); + device_for_each_child(&starget->dev, NULL, child_iter); return count; } static CLASS_DEVICE_ATTR(revalidate, S_IWUSR, NULL, store_spi_revalidate);