linux-kernel - [PATCH v3 4/5] efi: dev-path-parser: use acpi_dev_uid_match() for matching

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Message-Id: <20231123100617.28020-5-raag.jadav@intel.com>
Date:   Thu, 23 Nov 2023 15:36:16 +0530
From:   Raag Jadav <raag.jadav@...el.com>
To:     mika.westerberg@...ux.intel.com, andriy.shevchenko@...ux.intel.com,
        rafael@...nel.org, lenb@...nel.org, robert.moore@...el.com,
        ardb@...nel.org, will@...nel.org, mark.rutland@....com
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        acpica-devel@...ts.linuxfoundation.org, linux-efi@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        mallikarjunappa.sangannavar@...el.com, bala.senthil@...el.com,
        Raag Jadav <raag.jadav@...el.com>
Subject: [PATCH v3 4/5] efi: dev-path-parser: use acpi_dev_uid_match() for matching _UID

Now that we have _UID matching support for integer types, we can use
acpi_dev_uid_match() for it.

Signed-off-by: Raag Jadav <raag.jadav@...el.com>
Reviewed-by: Ard Biesheuvel <ardb@...nel.org>
---
 drivers/firmware/efi/dev-path-parser.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/firmware/efi/dev-path-parser.c b/drivers/firmware/efi/dev-path-parser.c
index f80d87c199c3..937be269fee8 100644
--- a/drivers/firmware/efi/dev-path-parser.c
+++ b/drivers/firmware/efi/dev-path-parser.c
@@ -18,8 +18,6 @@ static long __init parse_acpi_path(const struct efi_dev_path *node,
 	struct acpi_device *adev;
 	struct device *phys_dev;
 	char hid[ACPI_ID_LEN];
-	u64 uid;
-	int ret;
 
 	if (node->header.length != 12)
 		return -EINVAL;
@@ -31,10 +29,9 @@ static long __init parse_acpi_path(const struct efi_dev_path *node,
 			node->acpi.hid >> 16);
 
 	for_each_acpi_dev_match(adev, hid, NULL, -1) {
-		ret = acpi_dev_uid_to_integer(adev, &uid);
-		if (ret == 0 && node->acpi.uid == uid)
+		if (acpi_dev_uid_match(adev, node->acpi.uid))
 			break;
-		if (ret == -ENODATA && node->acpi.uid == 0)
+		if (!acpi_device_uid(adev) && node->acpi.uid == 0)
 			break;
 	}
 	if (!adev)
-- 
2.17.1