thunderbolt: Use NULL instead of 0 in ctl.c

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

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files 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;
 }