staging: ste_rmi4: simplify NULL tests

Author: Eva Rachel Retuya <eraretuya@gmail.com>

Replace direct comparisons to NULL i.e. 'x == NULL' with '!x' for
consistency. Coccinelle semantic patch used:

@@
identifier func;
expression x;
statement Z;
@@

x = func(...);

if (
(
+	!
	x
-	== NULL
|
+	!
-	NULL ==
	x
)
   ) Z

Signed-off-by: Eva Rachel Retuya 
Signed-off-by: Greg Kroah-Hartman

---
 drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
index 850a808..774958a 100644
--- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
+++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
@@ -912,7 +912,7 @@ static int synaptics_rmi4_probe
 		return -ENOMEM;
 
 	rmi4_data->input_dev = input_allocate_device();
-	if (rmi4_data->input_dev == NULL) {
+	if (!rmi4_data->input_dev) {
 		retval = -ENOMEM;
 		goto err_input;
 	}

staging: ste_rmi4: simplify NULL tests

qlambert

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