Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3d9562a6 authored by Fengguang Wu's avatar Fengguang Wu Committed by Greg Kroah-Hartman
Browse files

staging: ozwpan: compare pointer to NULL rather than 0 



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

Signed-off-by: default avatarFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 65bf58ce

drivers/staging/ozwpan/ozcdev.c

+7 −7
Original line number Diff line number Diff line
@@ -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;

	}