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| author | Shawn Guo <shawn.guo@linaro.org> | 2013-07-04 23:14:00 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-07-04 16:49:51 +0100 |
| commit | 4642aabd21d0491a7d9dcbe789bdf93a596f771c (patch) | |
| tree | 44877f84ba0838d96da56fc493bfa2e4d950ad50 /sound/soc | |
| parent | 84bbc4aa2de97143db0f6ef0c3fa0bd84f73b207 (diff) | |
| download | linux-4642aabd21d0491a7d9dcbe789bdf93a596f771c.tar.gz linux-4642aabd21d0491a7d9dcbe789bdf93a596f771c.tar.xz | |
ASoC: wm8962: fix NULL pdata pointer
There is an error in merge commit 384b834 on conflict resolution which
causes the following NULL pdata pointer bug.
wm8962 0-001a: customer id 0 revision D
Unable to handle kernel NULL pointer dereference at virtual address 00000004
pgd = 80004000
[00000004] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.10.0+ #1
task: bf870000 ti: bf874000 task.ti: bf874000
PC is at wm8962_probe+0x134/0x6c8
LR is at regmap_unlock_mutex+0x10/0x14
pc : [<80452100>] lr : [<80304cf4>] psr: a0000113
sp : bf875c98 ip : 00000000 fp : bf875cd4
r10: 00000000 r9 : bfb1830c r8 : 80779bc4
r7 : 00000000 r6 : 00000001 r5 : bfbac010 r4 : bfb33e00
r3 : 80304ce4 r2 : 00000000 r1 : 00000001 r0 : fffffffb
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 1000404a DAC: 00000017
Process swapper/0 (pid: 1, stack limit = 0xbf874238)
Stack: (0xbf875c98 to 0xbf876000)
...
Fix the error by assigning pdata a correct pointer.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/wm8962.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index b1dc7d426438..e2de9ecfd641 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3377,7 +3377,7 @@ static int wm8962_probe(struct snd_soc_codec *codec) { int ret; struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec); - struct wm8962_pdata *pdata = dev_get_platdata(codec->dev); + struct wm8962_pdata *pdata = &wm8962->pdata; int i, trigger, irq_pol; bool dmicclk, dmicdat; |