Fixes checkpatch warning for comparing value with NULL.

Signed-off-by: Valentin Vidic <valentin.vi...@carnet.hr>
---
 drivers/staging/pi433/pi433_if.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index 6e6996c68f0f..f32aeb215727 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -865,7 +865,7 @@ pi433_ioctl(struct file *filp, unsigned int cmd, unsigned 
long arg)
        instance = filp->private_data;
        device = instance->device;
 
-       if (device == NULL)
+       if (!device)
                return -ESHUTDOWN;
 
        switch (cmd) {
@@ -977,7 +977,7 @@ static int pi433_release(struct inode *inode, struct file 
*filp)
        if (!device->users) {
                kfree(device->rx_buffer);
                device->rx_buffer = NULL;
-               if (device->spi == NULL)
+               if (!device->spi)
                        kfree(device);
        }
 
-- 
2.15.0

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