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From: Khalid Aziz <khalid@gonehiking.org>
To: Matt Fleming <matt.fleming@intel.com>
Cc: Andy Whitcroft <apw@canonical.com>,
	Matthew Garrett <mjg@redhat.com>,
	Jeremy Kerr <jeremy.kerr@canonical.com>,
	linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/5] efivarfs: efivarfs_create() ensure we drop our reference on inode on error
Date: Fri, 12 Oct 2012 14:11:35 -0600	[thread overview]
Message-ID: <1350072695.7065.71.camel@rhapsody> (raw)
In-Reply-To: <1350069693.15966.591.camel@mfleming-mobl1.ger.corp.intel.com>

On Fri, 2012-10-12 at 20:21 +0100, Matt Fleming wrote:
> This is a common idiom used throughout the kernel to simply error paths.
> As you noted, calling kfree(NULL) is harmless and there's certainly no
> need to worry about the overhead of calling kfree() without doing any
> freeing since the error path is also the slow path.

A "return -ENOMEM" looks simpler and easier to read to me, but that is a
subjective opinion :)

--
Khalid


  reply	other threads:[~2012-10-12 20:16 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-05  5:54 [PATCH 1/3] efi: Add support for a UEFI variable filesystem Jeremy Kerr
2012-10-05  5:54 ` [PATCH 2/3] efi: add efivars kobject to efi sysfs folder Jeremy Kerr
2012-10-05  6:51   ` joeyli
2012-10-05  7:44     ` Jeremy Kerr
2012-10-05  5:54 ` [PATCH 3/3] efi: Handle deletions and size changes in efivarfs_write_file Jeremy Kerr
2012-10-06 19:32 ` [PATCH 1/3] efi: Add support for a UEFI variable filesystem Matt Fleming
2012-10-11 10:32 ` [PATCH 0/5] efivarfs: fixes and cleanups Andy Whitcroft
2012-10-11 10:32   ` [PATCH 1/5] efivarfs: efivarfs_file_read ensure we free data in error paths Andy Whitcroft
2012-10-11 13:53     ` Jeremy Kerr
2012-10-11 10:32   ` [PATCH 2/5] efivarfs: efivarfs_create() ensure we drop our reference on inode on error Andy Whitcroft
2012-10-11 14:13     ` Jeremy Kerr
2012-10-12 19:03     ` Khalid Aziz
2012-10-12 19:21       ` Matt Fleming
2012-10-12 20:11         ` Khalid Aziz [this message]
2012-10-11 10:32   ` [PATCH 3/5] efivarfs: efivarfs_fill_super() fix inode reference counts Andy Whitcroft
2012-10-11 14:10     ` Jeremy Kerr
2012-10-11 10:32   ` [PATCH 4/5] efivarfs: efivarfs_fill_super() ensure we free our temporary name Andy Whitcroft
2012-10-11 13:59     ` Jeremy Kerr
2012-10-11 10:32   ` [PATCH 5/5] efivarfs: efivarfs_fill_super() ensure we clean up correctly on error Andy Whitcroft
2012-10-11 14:04     ` Jeremy Kerr
2012-10-11 16:06       ` Andy Whitcroft
2012-10-16  9:16         ` Jeremy Kerr
2012-10-11 12:40   ` [PATCH 0/5] efivarfs: fixes and cleanups Matthew Garrett
2012-10-11 12:48   ` Matt Fleming

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