[PATCH 4/6] thunderbolt: Use NULL instead of 0 in ctl.c

[Sachin Kamat]

The function returns a pointer. Hence return NULL instead of 0.

Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxxx>
---
 drivers/thunderbolt/ctl.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index d04fee4acb2e..4c6da92edcb4 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -305,13 +305,13 @@ static struct ctl_pkg *tb_ctl_pkg_alloc(struct tb_ctl *ctl)
 {
 	struct ctl_pkg *pkg = kzalloc(sizeof(*pkg), GFP_KERNEL);
 	if (!pkg)
-		return 0;
+		return NULL;
 	pkg->ctl = ctl;
 	pkg->buffer = dma_pool_alloc(ctl->frame_pool, GFP_KERNEL,
 				     &pkg->frame.buffer_phy);
 	if (!pkg->buffer) {
 		kfree(pkg);
-		return 0;
+		return NULL;
 	}
 	return pkg;
 }
-- 
1.7.9.5

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