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]
---
ioremap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh64/mm/ioremap.c b/arch/sh64/mm/ioremap.c
index 9908577..b335849 100644
--- a/arch/sh64/mm/ioremap.c
+++ b/arch/sh64/mm/ioremap.c
@@ -167,7 +167,7 @@ static unsigned long shmedia_alloc_io(un
if (name == NULL) name = "???";
- if ((xres = xres_alloc()) != 0) {
+ if ((xres = xres_alloc()) != NULL) {
tack = xres->xname;
res = &xres->xres;
} else {
@@ -364,7 +364,7 @@ ioremap_proc_info(char *buf, char **star
for (r = ((struct resource *)data)->child; r != NULL; r = r->sibling) {
if (p + 32 >= e) /* Better than nothing */
break;
- if ((nm = r->name) == 0) nm = "???";
+ if ((nm = r->name) == NULL) nm = "???";
p += sprintf(p, "%08lx-%08lx: %s\n",
(unsigned long)r->start,
(unsigned long)r->end, nm);
-
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