diff options
| author | Daniel Baluta <daniel.baluta@intel.com> | 2015-07-14 14:56:52 (GMT) |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-07-19 10:53:35 (GMT) |
| commit | 8b14821a5c45e3472082c60723ca54cf2fe9c2f3 (patch) | |
| tree | 4016fd8f28c52bea8fc98a6ca2f86e23b0829fe8 | |
| parent | 6a14925ef22bf6e9e3f5209db50708210d5ee451 (diff) | |
| download | linux-8b14821a5c45e3472082c60723ca54cf2fe9c2f3.tar.xz | |
iio: magnetometer: mmc35240: Fix crash in pm suspend
We must set i2c client private data at probe in order to
correctly retrieve it in pm suspend/resume, preventing
the following crash:
[ 321.790582] PM: Syncing filesystems ... done.
[ 322.364440] PM: Preparing system for mem sleep
[ 322.400047] PM: Entering mem sleep
[ 322.462178] BUG: unable to handle kernel NULL pointer dereference at 0000036c
[ 322.469119] IP: [<80e0b3d2>] mmc35240_suspend+0x12/0x30
[ 322.474291] *pdpt = 000000002fd6f001 *pde = 0000000000000000
[ 322.479967] Oops: 0000 1 PREEMPT SMP
[ 322.496516] task: a86d0df0 ti: a8766000 task.ti: a8766000
[ 322.570744] Call Trace:
[ 322.573217] [<80c0d2d1>] pm_generic_suspend+0x21/0x30
[ 322.578284] [<80d042ab>] i2c_device_pm_suspend+0x1b/0x30
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | drivers/iio/magnetometer/mmc35240.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c index d927397..36a4b53 100644 --- a/drivers/iio/magnetometer/mmc35240.c +++ b/drivers/iio/magnetometer/mmc35240.c @@ -503,6 +503,7 @@ static int mmc35240_probe(struct i2c_client *client, } data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); data->client = client; data->regmap = regmap; data->res = MMC35240_16_BITS_SLOW; |