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authorFengguang Wu <fengguang.wu@intel.com>2012-09-19 09:37:32 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-19 09:28:14 +0100
commit3d9562a6ed5389cd92deafa3e357e197b1ff136d (patch)
tree8bd88a5813c6fc820540fb80976dcc02f0f07022 /drivers/staging/ozwpan
parent65bf58cef10bfdb180a621f33ad692d10756b2ee (diff)
downloadlinaro-lsk-3d9562a6ed5389cd92deafa3e357e197b1ff136d.tar.gz
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>
Diffstat (limited to 'drivers/staging/ozwpan')
-rw-r--r--drivers/staging/ozwpan/ozcdev.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
index 758ce0a8d82..64913aeb0ba 100644
--- 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;
}