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Subject[PATCH 11/68] 0 -> NULL, for arch/parisc
From

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@wanadoo.fr>
Cc: matthew@wil.cx
Cc: grundler@parisc-linux.org
Cc: kyle@parisc-linux.org
Cc: parisc-linux@parisc-linux.org
Cc: akpm@linux-foundation.org
---

smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 04c7e1d..16fccbe 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -333,7 +333,7 @@ smp_call_function (void (*func) (void *i

if (retry) {
spin_lock (&lock);
- while (smp_call_function_data != 0)
+ while (smp_call_function_data != NULL)
barrier();
}
else {
-
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