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 <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
kernel/prom.c | 2 +-
prom/tree.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index f4e0a9a..35d4eb5 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -38,7 +38,7 @@ struct device_node *of_find_node_by_phan
{
struct device_node *np;
- for (np = allnodes; np != 0; np = np->allnext)
+ for (np = allnodes; np != NULL; np = np->allnext)
if (np->node == handle)
break;
diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c
index b2c5b12..33eacd0 100644
--- a/arch/sparc64/prom/tree.c
+++ b/arch/sparc64/prom/tree.c
@@ -264,7 +264,7 @@ prom_setprop(int node, const char *pname
{
if (size == 0)
return 0;
- if ((pname == 0) || (value == 0))
+ if ((pname == NULL) || (value == NULL))
return 0;
#ifdef CONFIG_SUN_LDOMS
-
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