diff options
| author | Sachin Kamat <sachin.kamat@linaro.org> | 2013-09-27 09:36:28 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-30 18:48:40 -0700 |
| commit | 55c19aa072e9fb2c2414fd24f7f3f5640ac21d0d (patch) | |
| tree | d21cc25ce272e1efeb791efe1d5dad113eda94f0 /drivers/staging/cxt1e1 | |
| parent | d90ed81ac41fc0ef62bbc8aa66b3b2f3ef19427b (diff) | |
staging: cxt1e1: musycc.c: Use NULL instead of 0
Pointers should be assigned NULL instead of 0.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/cxt1e1')
| -rw-r--r-- | drivers/staging/cxt1e1/musycc.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/staging/cxt1e1/musycc.c b/drivers/staging/cxt1e1/musycc.c index 52b6d7f5fd47..a2a2af1f9d2e 100644 --- a/drivers/staging/cxt1e1/musycc.c +++ b/drivers/staging/cxt1e1/musycc.c @@ -745,7 +745,7 @@ musycc_init(ci_t *ci) #define INT_QUEUE_BOUNDARY 4 regaddr = OS_kmalloc((INT_QUEUE_SIZE + 1) * sizeof(u_int32_t)); - if (regaddr == 0) + if (!regaddr) return ENOMEM; ci->iqd_p_saved = regaddr; /* save orig value for free's usage */ ci->iqd_p = (u_int32_t *) ((unsigned long) (regaddr + INT_QUEUE_BOUNDARY - 1) & @@ -766,11 +766,11 @@ musycc_init(ci_t *ci) #define GROUP_BOUNDARY 0x800 regaddr = OS_kmalloc(sizeof(struct musycc_groupr) + GROUP_BOUNDARY); - if (regaddr == 0) { + if (!regaddr) { for (gchan = 0; gchan < i; gchan++) { pi = &ci->port[gchan]; OS_kfree(pi->reg); - pi->reg = 0; + pi->reg = NULL; } return ENOMEM; } @@ -839,12 +839,12 @@ musycc_bh_tx_eom(mpi_t *pi, int gchan) volatile u_int32_t status; ch = pi->chan[gchan]; - if (ch == 0 || ch->state != UP) { + if (!ch || ch->state != UP) { if (cxt1e1_log_level >= LOG_ERROR) pr_info("%s: intr: xmit EOM on uninitialized channel %d\n", pi->up->devname, gchan); } - if (ch == 0 || ch->mdt == 0) + if (!ch || !ch->mdt) return; /* note: mdt==0 implies a malloc() * failure w/in chan_up() routine */ @@ -907,7 +907,7 @@ musycc_bh_tx_eom(mpi_t *pi, int gchan) ch->txd_irq_srv = md->snext; md->data = 0; - if (md->mem_token != 0) { + if (md->mem_token) { /* upcount channel */ atomic_sub(OS_mem_token_tlen(md->mem_token), &ch->tx_pending); /* upcount card */ @@ -931,7 +931,7 @@ musycc_bh_tx_eom(mpi_t *pi, int gchan) #endif /*** CONFIG_SBE_WAN256T3_NCOMM ***/ OS_mem_token_free_irq(md->mem_token); - md->mem_token = 0; + md->mem_token = NULL; } md->status = 0; #ifdef RLD_TXFULL_DEBUG @@ -1012,13 +1012,13 @@ musycc_bh_rx_eom(mpi_t *pi, int gchan) u_int32_t error; ch = pi->chan[gchan]; - if (ch == 0 || ch->state != UP) { + if (!ch || ch->state != UP) { if (cxt1e1_log_level > LOG_ERROR) pr_info("%s: intr: receive EOM on uninitialized channel %d\n", pi->up->devname, gchan); return; } - if (ch->mdr == 0) + if (!ch->mdr) return; /* can this happen ? */ for (;;) { @@ -1566,18 +1566,18 @@ musycc_chan_down(ci_t *dummy, int channum) pi->regram->rmp[gchan] = 0; FLUSH_MEM_WRITE(); for (i = 0; i < ch->txd_num; i++) - if (ch->mdt[i].mem_token != 0) + if (ch->mdt[i].mem_token) OS_mem_token_free(ch->mdt[i].mem_token); for (i = 0; i < ch->rxd_num; i++) - if (ch->mdr[i].mem_token != 0) + if (ch->mdr[i].mem_token) OS_mem_token_free(ch->mdr[i].mem_token); OS_kfree(ch->mdr); - ch->mdr = 0; + ch->mdr = NULL; ch->rxd_num = 0; OS_kfree(ch->mdt); - ch->mdt = 0; + ch->mdt = NULL; ch->txd_num = 0; musycc_update_timeslots(pi); @@ -1746,7 +1746,7 @@ musycc_start_xmit(ci_t *ci, int channum, void *mem_token) #endif u |= (PADFILL_ENABLE | (ch->p.pad_fill_count << EXTRA_FLAGS)); } - md->mem_token = len ? 0 : mem_token; /* Fill in mds on last + md->mem_token = len ? NULL : mem_token; /* Fill in mds on last * segment, others set ZERO * so that entire token is * removed ONLY when ALL |