Commit 447c5dd7 authored May 11, 2010 by Michal Schmidt Committed by Jesse Barnes May 11, 2010

PCI: return correct value when writing to the "reset" attribute



A successful write() to the "reset" sysfs attribute should return the
number of bytes written, not 0. Otherwise userspace (bash) retries the
write over and over again.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

parent 3196180a

drivers/pci/pci-sysfs.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -960,7 +960,12 @@ static ssize_t reset_store(struct device *dev,

		if (val != 1)
		return -EINVAL;
		return pci_reset_function(pdev);

		result = pci_reset_function(pdev);
		if (result < 0)
		return result;

		return count;
		}

		static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_store);