diff --git a/drivers/staging/cxt1e1/linux.c b/drivers/staging/cxt1e1/linux.c index 2924c39781a1b5076e870bd9062f1d39c6e5cff6..4eadd295cfa7a1d5821f49f72e60de423b66bcbe 100644 --- a/drivers/staging/cxt1e1/linux.c +++ b/drivers/staging/cxt1e1/linux.c @@ -228,7 +228,8 @@ c4_wq_port_init(mpi_t *pi) pr_info(">> %s: creating workqueue <%s> for Port %d.\n", __func__, name, pi->portnum); /* RLD DEBUG */ #endif - if (!(pi->wq_port = create_singlethread_workqueue(name))) + pi->wq_port = create_singlethread_workqueue(name); + if (!pi->wq_port) return -ENOMEM; return 0; /* success */ } @@ -285,12 +286,14 @@ chan_open(struct net_device *ndev) const struct c4_priv *priv = hdlc->priv; int ret; - if ((ret = hdlc_open(ndev))) - { + ret = hdlc_open(ndev); + if (ret) { pr_info("hdlc_open failure, err %d.\n", ret); return ret; } - if ((ret = c4_chan_up(priv->ci, priv->channum))) + + ret = c4_chan_up(priv->ci, priv->channum); + if (ret) return -ret; try_module_get(THIS_MODULE); netif_start_queue(ndev); @@ -647,7 +650,8 @@ do_get_chan(struct net_device *ndev, void *data) sizeof(struct sbecom_chan_param))) return -EFAULT; - if ((ret = mkret(c4_get_chan(cp.channum, &cp)))) + ret = mkret(c4_get_chan(cp.channum, &cp)); + if (ret) return ret; if (copy_to_user(data, &cp, sizeof(struct sbecom_chan_param))) @@ -863,7 +867,8 @@ c4_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) return -EPERM; if (cmd != SIOCDEVPRIVATE + 15) return -EINVAL; - if (!(ci = get_ci_by_dev(ndev))) + ci = get_ci_by_dev(ndev); + if (!ci) return -EINVAL; if (ci->state != C_RUNNING) return -ENODEV; @@ -1098,9 +1103,8 @@ c4_add_dev(hdw_info_t *hi, int brdno, unsigned long f0, unsigned long f1, tasklet_enable(&ci->ci_musycc_isr_tasklet); #endif - - if ((error_flag = c4_init2(ci)) != SBE_DRVR_SUCCESS) - { + error_flag = c4_init2(ci); + if (error_flag != SBE_DRVR_SUCCESS) { #ifdef CONFIG_PROC_FS sbecom_proc_brd_cleanup(ci); #endif @@ -1120,7 +1124,8 @@ c4_mod_init(void) { int rtn; - if ((rtn = c4hw_attach_all())) + rtn = c4hw_attach_all(); + if (rtn) return -rtn; /* installation failure - see system log */ /* housekeeping notifications */ @@ -1170,11 +1175,13 @@ cleanup_hdlc(void) { ci = (ci_t *)(netdev_priv(hi->ndev)); for (j = 0; j < ci->max_port; j++) - for (k = 0; k < MUSYCC_NCHANS; k++) - if ((ndev = ci->port[j].chan[k]->user)) + for (k = 0; k < MUSYCC_NCHANS; k++) { + ndev = ci->port[j].chan[k]->user; + if (ndev) { do_deluser(ndev, 0); } + } } } }