linux-kernel - [PATCH 03/68] 0 -> NULL, for arch/arm26

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Date:	Fri, 27 Jul 2007 11:44:13 +0200 (MEST)
From:	Yoann Padioleau <padator@...adoo.fr>
To:	kernel-janitors@...r.kernel.org
Cc:	spyro@....com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 03/68] 0 -> NULL, for arch/arm26


When comparing a pointer, it's clearer to compare it to NULL than to 0.

Here is an excerpt of the semantic patch: 

@@
expression *E;
@@

  E ==
- 0
+ NULL

@@
expression *E;
@@

  E !=
- 0
+ NULL

Signed-off-by: Yoann Padioleau <padator@...adoo.fr>
Cc: spyro@....com
Cc: akpm@...ux-foundation.org
---

 udivdi3.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm26/lib/udivdi3.c b/arch/arm26/lib/udivdi3.c
index d25195f..0f8e702 100644
--- a/arch/arm26/lib/udivdi3.c
+++ b/arch/arm26/lib/udivdi3.c
@@ -127,7 +127,7 @@ __udivmoddi4 (UDItype n, UDItype d, UDIt
           /* Remainder in n0 >> bm.  */
         }
 
-      if (rp != 0)
+      if (rp != NULL)
         {
           rr.s.low = n0 >> bm;
           rr.s.high = 0;
@@ -144,7 +144,7 @@ __udivmoddi4 (UDItype n, UDItype d, UDIt
           q1 = 0;
 
           /* Remainder in n1n0.  */
-          if (rp != 0)
+          if (rp != NULL)
             {
               rr.s.low = n0;
               rr.s.high = n1;
@@ -176,7 +176,7 @@ __udivmoddi4 (UDItype n, UDItype d, UDIt
 
               q1 = 0;
 
-              if (rp != 0)
+              if (rp != NULL)
                 {
                   rr.s.low = n0;
                   rr.s.high = n1;
@@ -208,7 +208,7 @@ __udivmoddi4 (UDItype n, UDItype d, UDIt
               q1 = 0;
 
               /* Remainder in (n1n0 - m1m0) >> bm.  */
-              if (rp != 0)
+              if (rp != NULL)
                 {
                   sub_ddmmss (n1, n0, n1, n0, m1, m0);
                   rr.s.low = (n1 << b) | (n0 >> bm);

-
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