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From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
To: rusty@rustcorp.com.au
Cc: linux-kernel@vger.kernel.org, linux-kbuild@vger.kernel.org,
	Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Subject: [PATCH 08/10] lib: bsearch - remove redundant special case for arrays of size 0
Date: Sat,  7 Nov 2009 21:03:59 +0000	[thread overview]
Message-ID: <1257627841-15817-8-git-send-email-alan-jenkins@tuffmail.co.uk> (raw)
In-Reply-To: <4AF5DF9F.5020208@tuffmail.co.uk>

> On Thu, 24 Sep 2009, Rusty Russell wrote:
>
>> The if (num == 0) line is superfluous.

On 9/27/09, Tim Abbott <tabbott@ksplice.com> wrote:
>
> You are quite right.

Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
---
 lib/bsearch.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/lib/bsearch.c b/lib/bsearch.c
index 4297c98..2e70664 100644
--- a/lib/bsearch.c
+++ b/lib/bsearch.c
@@ -34,8 +34,6 @@ void *bsearch(const void *key, const void *base, size_t num, size_t size,
 	      int (*cmp)(const void *key, const void *elt))
 {
 	int start = 0, end = num - 1, mid, result;
-	if (num == 0)
-		return NULL;
 
 	while (start <= end) {
 		mid = (start + end) / 2;
-- 
1.6.3.3


  parent reply	other threads:[~2009-11-07 21:04 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-07 20:59 [PATCH 0/10] module: Speed up symbol resolution during module loading (using binary search) Alan Jenkins
2009-11-07 21:03 ` [PATCH 01/10] ARM: use unified discard definition in linker script Alan Jenkins
2009-11-07 21:03 ` [PATCH 02/10] ARM: unexport symbols used to implement floating point emulation Alan Jenkins
2009-11-07 21:03 ` [PATCH 03/10] module: make MODULE_SYMBOL_PREFIX into a CONFIG option Alan Jenkins
2009-11-07 21:03 ` [PATCH 04/10] module: extract EXPORT_SYMBOL() from module.h into mod_export.h Alan Jenkins
2009-11-07 21:03 ` [PATCH 05/10] kbuild: sort the list of symbols exported by the kernel (__ksymtab) Alan Jenkins
2009-11-07 21:03 ` [PATCH 06/10] module: refactor symbol tables and try to reduce code size of each_symbol() Alan Jenkins
2009-11-07 21:03 ` [PATCH 07/10] lib: Add generic binary search function to the kernel Alan Jenkins
2009-11-07 21:03 ` Alan Jenkins [this message]
2009-11-07 21:04 ` [PATCH 09/10] module: speed up find_symbol() using binary search on the builtin symbol tables Alan Jenkins
2009-11-07 21:04 ` [PATCH 10/10] module: fix is_exported() to return true for all types of exports Alan Jenkins
2009-11-09  2:49   ` Rusty Russell
  -- strict thread matches above, loose matches on Subject: below --
2009-11-02 16:52 Fast LKM symbol resolution Alan Jenkins
2009-11-03 10:06 ` [PATCH 08/10] lib: bsearch - remove redundant special case for arrays of size 0 Alan Jenkins

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