drivers/video/fbdev/controlfb.c: WARNING comparing pointer to 0
drivers/video/fbdev/controlfb.c: WARNING comparing pointer to 0
drivers/video/fbdev/controlfb.c: WARNING comparing pointer to 0

Signed-off-by: Shobhit Kukreti <redacted>
---
 drivers/video/fbdev/controlfb.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index 7af8db2..07907c5 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c

@@ -182,7 +182,7 @@ int init_module(void)
        int ret = -ENXIO;

        dp = of_find_node_by_name(NULL, "control");
-       if (dp != 0 && !control_of_init(dp))
+       if (dp != NULL && !control_of_init(dp))
                ret = 0;
        of_node_put(dp);

@@ -580,7 +580,7 @@ static int __init control_init(void)
        control_setup(option);

        dp = of_find_node_by_name(NULL, "control");
-       if (dp != 0 && !control_of_init(dp))
+       if (dp != NULL && !control_of_init(dp))
                ret = 0;
        of_node_put(dp);

@@ -683,8 +683,8 @@ static int __init control_of_init(struct device_node *dp)
                return -ENXIO;
        }
        p = kzalloc(sizeof(*p), GFP_KERNEL);
-       if (p = 0)
-               return -ENXIO;
+       if (p = NULL)
+               return -ENOMEM;