iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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>
This commit is contained in:
Sachin Kamat 2013-09-27 09:36:28 +05:30 committed by Greg Kroah-Hartman
parent d90ed81ac4
commit 55c19aa072
1 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/staging/cxt1e1/musycc.c
View File

@ -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