staging: ozwpan: compare pointer to NULL rather than 0

Generated by: scripts/coccinelle/null/badzero.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
index 758ce0a8d82e03c59d326b5ce0f6b8bdda425b25..64913aeb0bacceae794a8553fe1178d4c4efa755 100644 (file)
--- a/drivers/staging/ozwpan/ozcdev.c
+++ b/drivers/staging/ozwpan/ozcdev.c
@@ -104,10 +104,10 @@ ssize_t oz_cdev_read(struct file *filp, char __user *buf, size_t count,
        if (pd)
                oz_pd_get(pd);
        spin_unlock_bh(&g_cdev.lock);
-       if (pd == 0)
+       if (pd == NULL)
                return -1;
        ctx = oz_cdev_claim_ctx(pd);
-       if (ctx == 0)
+       if (ctx == NULL)
                goto out2;
        n = ctx->rd_in - ctx->rd_out;
        if (n < 0)
@@ -157,11 +157,11 @@ ssize_t oz_cdev_write(struct file *filp, const char __user *buf, size_t count,
        if (pd)
                oz_pd_get(pd);
        spin_unlock_bh(&g_cdev.lock);
-       if (pd == 0)
+       if (pd == NULL)
                return -1;
        eb = &pd->elt_buff;
        ei = oz_elt_info_alloc(eb);
-       if (ei == 0) {
+       if (ei == NULL) {
                count = 0;
                goto out;
        }
@@ -410,7 +410,7 @@ int oz_cdev_start(struct oz_pd *pd, int resume)
                return 0;
        }
        ctx = kzalloc(sizeof(struct oz_serial_ctx), GFP_ATOMIC);
-       if (ctx == 0)
+       if (ctx == NULL)
                return -ENOMEM;
        atomic_set(&ctx->ref_count, 1);
        ctx->tx_seq_num = 1;
@@ -424,7 +424,7 @@ int oz_cdev_start(struct oz_pd *pd, int resume)
                spin_unlock_bh(&pd->app_lock[OZ_APPID_SERIAL-1]);
        }
        spin_lock(&g_cdev.lock);
-       if ((g_cdev.active_pd == 0) &&
+       if ((g_cdev.active_pd == NULL) &&
                (memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) {
                oz_pd_get(pd);
                g_cdev.active_pd = pd;
@@ -477,7 +477,7 @@ void oz_cdev_rx(struct oz_pd *pd, struct oz_elt *elt)
        int ix;
 
        ctx = oz_cdev_claim_ctx(pd);
-       if (ctx == 0) {
+       if (ctx == NULL) {
                oz_trace("Cannot claim serial context.\n");
                return;
        }