ACPI, APEI, EINJ, cleanup 0 vs NULL confusion
This function is returning pointers. Sparse complains here:
drivers/acpi/apei/einj.c:262:32: warning:
Using plain integer as NULL pointer
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index bb20b03..c89b0e5 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -259,15 +259,15 @@
v4param = ioremap(paddrv4, sizeof(*v4param));
if (!v4param)
- return 0;
+ return NULL;
if (readq(&v4param->reserved1) || readq(&v4param->reserved2)) {
iounmap(v4param);
- return 0;
+ return NULL;
}
return v4param;
}
- return 0;
+ return NULL;
}
/* do sanity check to trigger table */