misc: fix integer as NULL pointer warnings

drivers/md/raid10.c:889:17: warning: Using plain integer as NULL pointer
drivers/media/video/cx18/cx18-driver.c:616:12: warning: Using plain integer as NULL pointer
sound/oss/kahlua.c:70:12: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 5938fa9..faf3d89 100644 (file)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -886,7 +886,7 @@ static int make_request(struct request_queue *q, struct bio * bio)
         */
        raid10_find_phys(conf, r10_bio);
  retry_write:
-       blocked_rdev = 0;
+       blocked_rdev = NULL;
        rcu_read_lock();
        for (i = 0;  i < conf->copies; i++) {
                int d = r10_bio->devs[i].devnum;

diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 8f5ed9b..3f55d47 100644 (file)
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -613,7 +613,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
        }
 
        cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
-       if (cx == 0) {
+       if (!cx) {
                spin_unlock(&cx18_cards_lock);
                return -ENOMEM;
        }

diff --git a/sound/oss/kahlua.c b/sound/oss/kahlua.c
index dfe670f..eb9bc36 100644 (file)
--- a/sound/oss/kahlua.c
+++ b/sound/oss/kahlua.c
@@ -67,7 +67,7 @@ static int __devinit probe_one(struct pci_dev *pdev, const struct pci_device_id
                return 1;
        
        mem = ioremap(base, 128);
-       if(mem == 0UL)
+       if (!mem)
                return 1;
        map = readw(mem + 0x18);        /* Read the SMI enables */
        iounmap(mem);