[PATCH 3/7] [media] Hopper: Adjust a null pointer check in two functions

[SF Markus Elfring]

From: Markus Elfring <elfr...@users.sourceforge.net>
Date: Sat, 2 Sep 2017 21:25:50 +0200
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The script “checkpatch.pl” pointed information out like the following.

Comparison to NULL could be written !…

Thus fix the affected source code places.

Signed-off-by: Markus Elfring <elfr...@users.sourceforge.net>
---
 drivers/media/pci/mantis/hopper_cards.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/mantis/hopper_cards.c 
b/drivers/media/pci/mantis/hopper_cards.c
index fe7b40c306f7..88e5b2a97005 100644
--- a/drivers/media/pci/mantis/hopper_cards.c
+++ b/drivers/media/pci/mantis/hopper_cards.c
@@ -72,7 +72,7 @@ static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
        struct mantis_ca *ca;
 
        mantis = (struct mantis_pci *) dev_id;
-       if (unlikely(mantis == NULL)) {
+       if (unlikely(!mantis)) {
                dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
                return IRQ_NONE;
        }
@@ -164,7 +164,7 @@ static int hopper_pci_probe(struct pci_dev *pdev,
        int err = 0;
 
        mantis = kzalloc(sizeof(*mantis), GFP_KERNEL);
-       if (mantis == NULL) {
+       if (!mantis) {
                err = -ENOMEM;
                goto fail0;
        }
-- 
2.14.1