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authorJesper Juhl <juhl-lkml@dif.dk>2005-06-25 14:59:14 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:25:06 -0700
commit0159f76d9f5839c3c92bc3a91c865e94d5e489a8 (patch)
tree84ea61ef0b48fd7f8f089d234c3395366fc93672
parent89e0b1134e46195c64bbad21010799ba567bf7f2 (diff)
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[PATCH] kfree cleanups in ixj.c
This patch removes redundant checks for NULL pointer before kfree() in drivers/telephony/ Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/telephony/ixj.c52
1 files changed, 19 insertions, 33 deletions
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index d5863b8b56e..f2c9fa423d4 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -329,10 +329,8 @@ static IXJ *ixj_alloc()
static void ixj_fsk_free(IXJ *j)
{
- if(j->fskdata != NULL) {
- kfree(j->fskdata);
- j->fskdata = NULL;
- }
+ kfree(j->fskdata);
+ j->fskdata = NULL;
}
static void ixj_fsk_alloc(IXJ *j)
@@ -3867,13 +3865,11 @@ static int set_rec_codec(IXJ *j, int rate)
j->rec_mode = 7;
break;
default:
+ kfree(j->read_buffer);
j->rec_frame_size = 0;
j->rec_mode = -1;
- if (j->read_buffer) {
- kfree(j->read_buffer);
- j->read_buffer = NULL;
- j->read_buffer_size = 0;
- }
+ j->read_buffer = NULL;
+ j->read_buffer_size = 0;
retval = 1;
break;
}
@@ -3991,14 +3987,12 @@ static int ixj_record_start(IXJ *j)
static void ixj_record_stop(IXJ *j)
{
- if(ixjdebug & 0x0002)
+ if (ixjdebug & 0x0002)
printk("IXJ %d Stopping Record Codec %d at %ld\n", j->board, j->rec_codec, jiffies);
- if (j->read_buffer) {
- kfree(j->read_buffer);
- j->read_buffer = NULL;
- j->read_buffer_size = 0;
- }
+ kfree(j->read_buffer);
+ j->read_buffer = NULL;
+ j->read_buffer_size = 0;
if (j->rec_mode > -1) {
ixj_WriteDSPCommand(0x5120, j);
j->rec_mode = -1;
@@ -4449,13 +4443,11 @@ static int set_play_codec(IXJ *j, int rate)
j->play_mode = 5;
break;
default:
+ kfree(j->write_buffer);
j->play_frame_size = 0;
j->play_mode = -1;
- if (j->write_buffer) {
- kfree(j->write_buffer);
- j->write_buffer = NULL;
- j->write_buffer_size = 0;
- }
+ j->write_buffer = NULL;
+ j->write_buffer_size = 0;
retval = 1;
break;
}
@@ -4578,14 +4570,12 @@ static int ixj_play_start(IXJ *j)
static void ixj_play_stop(IXJ *j)
{
- if(ixjdebug & 0x0002)
+ if (ixjdebug & 0x0002)
printk("IXJ %d Stopping Play Codec %d at %ld\n", j->board, j->play_codec, jiffies);
- if (j->write_buffer) {
- kfree(j->write_buffer);
- j->write_buffer = NULL;
- j->write_buffer_size = 0;
- }
+ kfree(j->write_buffer);
+ j->write_buffer = NULL;
+ j->write_buffer_size = 0;
if (j->play_mode > -1) {
ixj_WriteDSPCommand(0x5221, j); /* Stop playback and flush buffers. 8022 reference page 9-40 */
@@ -5810,9 +5800,7 @@ static void ixj_cpt_stop(IXJ *j)
ixj_play_tone(j, 0);
j->tone_state = j->tone_cadence_state = 0;
if (j->cadence_t) {
- if (j->cadence_t->ce) {
- kfree(j->cadence_t->ce);
- }
+ kfree(j->cadence_t->ce);
kfree(j->cadence_t);
j->cadence_t = NULL;
}
@@ -7497,10 +7485,8 @@ static void cleanup(void)
printk(KERN_INFO "IXJ: Releasing XILINX address for /dev/phone%d\n", cnt);
release_region(j->XILINXbase, 4);
}
- if (j->read_buffer)
- kfree(j->read_buffer);
- if (j->write_buffer)
- kfree(j->write_buffer);
+ kfree(j->read_buffer);
+ kfree(j->write_buffer);
if (j->dev)
pnp_device_detach(j->dev);
if (ixjdebug & 0x0002)