diff options
| author | Fengguang Wu <fengguang.wu@intel.com> | 2012-09-19 09:37:32 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-19 09:28:14 +0100 |
| commit | 3d9562a6ed5389cd92deafa3e357e197b1ff136d (patch) | |
| tree | 8bd88a5813c6fc820540fb80976dcc02f0f07022 /drivers/staging/ozwpan/ozcdev.c | |
| parent | 65bf58cef10bfdb180a621f33ad692d10756b2ee (diff) | |
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/ozcdev.c')
| -rw-r--r-- | drivers/staging/ozwpan/ozcdev.c | 14 |
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; } |