hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ASoC: Max98095: Move existing NULL check before pointer dereference. 

Visual inspection shows that max98095_put_eq_enum() and
max98095_put_bq_enum() each have a possible NULL deref of 'pdata'.

This change moves the NULL check above the use.

Signed-off-by: Taylor Hutt <thutt@chromium.org>
Acked-by: Peter Hsiang <Peter.Hsiang@maxim-ic.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Taylor Hutt 2011-05-17 18:03:54 -07:00 committed by Mark Brown
parent 34e268d87d
commit 5394942535
1 changed files with 6 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sound/soc/codecs/max98095.c
View File

@ -1872,16 +1872,14 @@ static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
BUG_ON(channel > 1);
cdata = &max98095->dai[channel];
if (!pdata || !max98095->eq_textcnt)
return 0;
if (sel >= pdata->eq_cfgcnt)
return -EINVAL;
cdata = &max98095->dai[channel];
cdata->eq_sel = sel;
if (!pdata || !max98095->eq_textcnt)
return 0;
fs = cdata->rate;
/* Find the selected configuration with nearest sample rate */
@ -2020,16 +2018,14 @@ static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
BUG_ON(channel > 1);
cdata = &max98095->dai[channel];
if (!pdata || !max98095->bq_textcnt)
return 0;
if (sel >= pdata->bq_cfgcnt)
return -EINVAL;
cdata = &max98095->dai[channel];
cdata->bq_sel = sel;
if (!pdata || !max98095->bq_textcnt)
return 0;
fs = cdata->rate;
/* Find the selected configuration with nearest sample rate */