diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2016-06-29 13:42:26 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2016-06-29 16:37:17 -0700 |
| commit | 957ccca08a990888e2a8f057dee646b8f37b1660 (patch) | |
| tree | e2bdd81111e008fedd259ff138b0421906c20b7e /drivers/staging/greybus/light.c | |
| parent | 2aae92bdc25325cfd782cc76842a4302540958f2 (diff) | |
greybus: light: Initialize mutex before using it
Light protocol driver is suffering from the same issue that was fixed in
camera driver earlier (commit a7c3b0c3c8da).
Big cleanup function is used instead of fine grained control in the
error path, and in one of the cases the mutex was found uninitialized
and so the oops seen in SW-6752.
Initialize the mutex before any code can access it.
Compile tested only.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/light.c')
| -rw-r--r-- | drivers/staging/greybus/light.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 78fb8a9f6a48..3d42a5dafee9 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -1221,6 +1221,8 @@ static int gb_lights_probe(struct gb_bundle *bundle, if (!glights) return -ENOMEM; + mutex_init(&glights->lights_lock); + connection = gb_connection_create(bundle, le16_to_cpu(cport_desc->id), gb_lights_request_handler); if (IS_ERR(connection)) { @@ -1231,8 +1233,6 @@ static int gb_lights_probe(struct gb_bundle *bundle, glights->connection = connection; gb_connection_set_data(connection, glights); - mutex_init(&glights->lights_lock); - greybus_set_drvdata(bundle, glights); /* We aren't ready to receive an incoming request yet */ |