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From: tip-bot for Andy Shevchenko <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: peterz@infradead.org, ard.biesheuvel@linaro.org, hpa@zytor.com,
	tglx@linutronix.de, lukas@wunner.de,
	torvalds@linux-foundation.org, andriy.shevchenko@linux.intel.com,
	matt@codeblueprint.co.uk, mingo@kernel.org,
	linux-kernel@vger.kernel.org
Subject: [tip:efi/core] efi/apple-properties: Remove redundant attribute initialization from unmarshal_key_value_pairs()
Date: Fri, 9 Mar 2018 01:11:45 -0800	[thread overview]
Message-ID: <tip-6e98503dba64e721ba839e75dca036266ec0140f@git.kernel.org> (raw)
In-Reply-To: <20180308080020.22828-3-ard.biesheuvel@linaro.org>

Commit-ID:  6e98503dba64e721ba839e75dca036266ec0140f
Gitweb:     https://git.kernel.org/tip/6e98503dba64e721ba839e75dca036266ec0140f
Author:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>
AuthorDate: Thu, 8 Mar 2018 08:00:10 +0000
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 9 Mar 2018 08:58:21 +0100

efi/apple-properties: Remove redundant attribute initialization from unmarshal_key_value_pairs()

There is no need to artificially supply a property length and fake data
if property has type of boolean.

Remove redundant piece of data and code.

Reviewed-and-tested-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20180308080020.22828-3-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 drivers/firmware/efi/apple-properties.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/firmware/efi/apple-properties.c b/drivers/firmware/efi/apple-properties.c
index 9f6bcf173b0e..b9602e0d7b50 100644
--- a/drivers/firmware/efi/apple-properties.c
+++ b/drivers/firmware/efi/apple-properties.c
@@ -52,8 +52,6 @@ struct properties_header {
 	struct dev_header dev_header[0];
 };
 
-static u8 one __initdata = 1;
-
 static void __init unmarshal_key_value_pairs(struct dev_header *dev_header,
 					     struct device *dev, void *ptr,
 					     struct property_entry entry[])
@@ -95,14 +93,9 @@ static void __init unmarshal_key_value_pairs(struct dev_header *dev_header,
 			     key_len - sizeof(key_len));
 
 		entry[i].name = key;
-		entry[i].is_array = true;
 		entry[i].length = val_len - sizeof(val_len);
+		entry[i].is_array = !!entry[i].length;
 		entry[i].pointer.raw_data = ptr + key_len + sizeof(val_len);
-		if (!entry[i].length) {
-			/* driver core doesn't accept empty properties */
-			entry[i].length = 1;
-			entry[i].pointer.raw_data = &one;
-		}
 
 		if (dump_properties) {
 			dev_info(dev, "property: %s\n", entry[i].name);

  reply	other threads:[~2018-03-09  9:12 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-08  8:00 [GIT PULL 00/12] first batch of EFI changes for v4.17 Ard Biesheuvel
2018-03-08  8:00 ` Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 01/12] efi/arm*: Only register page tables when they exist Ard Biesheuvel
2018-03-09  9:11   ` [tip:efi/core] " tip-bot for Mark Rutland
2018-03-08  8:00 ` [PATCH 02/12] efi/apple-properties: Device core takes care of empty properties Ard Biesheuvel
2018-03-09  9:11   ` tip-bot for Andy Shevchenko [this message]
2018-03-08  8:00 ` [PATCH 03/12] efi/arm*: Stop printing addresses of virtual mappings Ard Biesheuvel
2018-03-09  9:12   ` [tip:efi/core] " tip-bot for Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 04/12] efi/x86: Fix trailing semicolons Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 05/12] efi: arm64: Check whether x18 is preserved by runtime services calls Ard Biesheuvel
2018-03-09  9:12   ` [tip:efi/core] efi/arm64: " tip-bot for Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 06/12] x86: efi: Replace GFP_ATOMIC with GFP_KERNEL in efi_query_variable_store Ard Biesheuvel
2018-03-09  7:54   ` Ingo Molnar
2018-03-09  9:13   ` [tip:efi/core] x86/efi: Replace GFP_ATOMIC with GFP_KERNEL in efi_query_variable_store() tip-bot for Jia-Ju Bai
2018-03-08  8:00 ` [PATCH 07/12] efi: Use efi_mm in x86 as well as ARM Ard Biesheuvel
2018-03-09  7:40   ` Ingo Molnar
2018-03-09  8:37     ` Prakhya, Sai Praneeth
2018-03-09  9:56       ` Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 08/12] x86/efi: Replace efi_pgd with efi_mm.pgd Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 09/12] x86/efi: Use efi_switch_mm() rather than manually twiddling with %cr3 Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 10/12] efi: reorder pr_notice() with add_device_randomness() call Ard Biesheuvel
2018-03-09  9:13   ` [tip:efi/core] efi: Reorder " tip-bot for Ard Biesheuvel
2018-03-08  8:00 ` [PATCH 11/12] efi/apple-properties: Use memremap() instead of ioremap() Ard Biesheuvel
2018-03-09  9:14   ` [tip:efi/core] " tip-bot for Andy Shevchenko
2018-03-08  8:00 ` [PATCH 12/12] efi: make const array 'apple' static Ard Biesheuvel
2018-03-08 11:05   ` Joe Perches
2018-03-09  7:43     ` Ard Biesheuvel
2018-03-09  7:44       ` Ard Biesheuvel
2018-03-09  9:37         ` Joe Perches
2018-03-09  7:47   ` Ingo Molnar
2018-03-09  7:52     ` Ard Biesheuvel
2018-03-09  8:04       ` Ingo Molnar
2018-03-09  8:07         ` Ard Biesheuvel
2018-03-09  8:19           ` Ard Biesheuvel
2018-03-09  8:31           ` Ingo Molnar
2018-03-09  8:29     ` Lukas Wunner
2018-03-09  8:33       ` Ard Biesheuvel
2018-03-09  9:16   ` [tip:efi/core] efi: Make " tip-bot for Colin Ian King

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