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Commit 36131ce9 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Bjorn Helgaas
Browse files

PCI/ASPM: Convert to use sysfs_match_string() helper 



The sysfs_match_string() helper returns index of the matching string in an
array.  Use it in pcie_aspm_set_policy() to simplify the code.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
[bhelgaas: squash sysfs_match_string() fix into original patch for issue
Reported-by: default avatarHeiner Kallweit <hkallweit1@gmail.com&gt;]>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent ce397d21

drivers/pci/pcie/aspm.c

+3 −5
Original line number Diff line number Diff line
@@ -1127,11 +1127,9 @@ static int pcie_aspm_set_policy(const char *val, 


	if (aspm_disabled)

		return -EPERM;

	for (i = 0; i < ARRAY_SIZE(policy_str); i++)

		if (!strncmp(val, policy_str[i], strlen(policy_str[i])))

			break;

	if (i >= ARRAY_SIZE(policy_str))

		return -EINVAL;

	i = sysfs_match_string(policy_str, val);

	if (i < 0)

		return i;

	if (i == aspm_policy)

		return 0;