[PATCH] classmate-laptop: fix sparse warning

[Lad Prabhakar]

From: "Lad, Prabhakar" <prabhakar.csengg@xxxxxxxxx>

this patch fixes following sparse warning:

classmate-laptop.c:523:61: warning: Using plain integer as NULL pointer

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
---
 Found this issue on linux-next (gcc  version 4.9.2,
 sparse version  0.4.5-rc1) and applies on top linux-next.

 drivers/platform/x86/classmate-laptop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 70d355a..55cf10b 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -520,7 +520,7 @@ static acpi_status cmpc_get_accel(acpi_handle handle,
 {
 	union acpi_object param[2];
 	struct acpi_object_list input;
-	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, 0 };
+	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 	unsigned char *locs;
 	acpi_status status;
 
-- 
1.9.1

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