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Commit 86a3cdaf authored by Sachin Kamat's avatar Sachin Kamat Committed by Greg Kroah-Hartman
Browse files

staging: cxt1e1: linux.c: Use NULL instead of 0 



Pointers should be assigned NULL instead of 0.

Signed-off-by: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0c5d465b

drivers/staging/cxt1e1/linux.c

+13 −13
Original line number Diff line number Diff line
@@ -133,7 +133,7 @@ getuserbychan (int channum) 
    mch_t      *ch;



    ch = c4_find_chan (channum);

    return ch ? ch->user : 0;

    return ch ? ch->user : NULL;

}
@@ -245,7 +245,7 @@ c4_wq_port_cleanup (mpi_t *pi) 
    {

        destroy_workqueue (pi->wq_port);        /* this also calls

                                                 * flush_workqueue() */

        pi->wq_port = 0;

        pi->wq_port = NULL;

    }

}
@@ -420,7 +420,7 @@ create_chan (struct net_device *ndev, ci_t *ci, 
    int         ret;



    if (c4_find_chan (cp->channum))

        return 0;                   /* channel already exists */

        return NULL;                   /* channel already exists */



    {

        struct c4_priv *priv;
@@ -430,14 +430,14 @@ create_chan (struct net_device *ndev, ci_t *ci, 
        if (!priv)

        {

            pr_warning("%s: no memory for net_device !\n", ci->devname);

            return 0;

	    return NULL;

        }

        dev = alloc_hdlcdev (priv);

        if (!dev)

        {

            pr_warning("%s: no memory for hdlc_device !\n", ci->devname);

            OS_kfree (priv);

            return 0;

	    return NULL;

        }

        priv->ci = ci;

        priv->channum = cp->channum;
@@ -496,7 +496,7 @@ create_chan (struct net_device *ndev, ci_t *ci, 
            pr_info("%s: create_chan[%d] registration error = %d.\n",

                    ci->devname, cp->channum, ret);

        free_netdev (dev);          /* cleanup */

        return 0;                   /* failed to register */

	return NULL;		/* failed to register */

    }

    return dev;

}
@@ -744,7 +744,7 @@ do_deluser (struct net_device *ndev, int lockit) 
        ch = c4_find_chan (channum);

        if (ch == NULL)

            return -ENOENT;

        ch->user = 0;               /* will be freed, below */

	ch->user = NULL;	/* will be freed, below */

    }



    if (lockit)
@@ -959,7 +959,7 @@ c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, 
    {

        pr_warning("%s: no memory for struct net_device !\n", hi->devname);

        error_flag = ENOMEM;

        return 0;

	return NULL;

    }

    ci = (ci_t *)(netdev_priv(ndev));

    ndev->irq = irq0;
@@ -970,7 +970,7 @@ c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, 
    c4_list = ci;

    ci->brdno = ci->next ? ci->next->brdno + 1 : 0;



    if (CI == 0)

    if (!CI)

        CI = ci;                    /* DEBUG, only board 0 usage */



    strcpy (ci->devname, hi->devname);
@@ -996,7 +996,7 @@ c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, 
        OS_kfree (netdev_priv(ndev));

        OS_kfree (ndev);

        error_flag = ENODEV;

        return 0;

	return NULL;

    }

    /*************************************************************

     *  int request_irq(unsigned int irq,
@@ -1022,7 +1022,7 @@ c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, 
        OS_kfree (netdev_priv(ndev));

        OS_kfree (ndev);

        error_flag = EIO;

        return 0;

	return NULL;

    }

#ifdef CONFIG_SBE_PMCC4_NCOMM

    if (request_irq (irq1, &c4_ebus_interrupt, IRQF_SHARED, ndev->name, ndev))
@@ -1033,7 +1033,7 @@ c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, 
        OS_kfree (netdev_priv(ndev));

        OS_kfree (ndev);

        error_flag = EIO;

        return 0;

	return NULL;

    }

#endif
@@ -1091,7 +1091,7 @@ c4_add_dev (hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, 
        free_irq (irq0, ndev);

        OS_kfree (netdev_priv(ndev));

        OS_kfree (ndev);

        return 0;                   /* failure, error_flag is set */

	return NULL;		/* failure, error_flag is set */

    }

    return ndev;

}