diff options
author | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
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committer | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
commit | dfdbf3f6e2d279f2a46ed95614cb4bf07657394d (patch) | |
tree | 2cc05669c5d3e47f7d4b28e31076b6dc6e771f36 /sound/ppc/keywest.c | |
parent | effff5718c380983788fe6c380671c18e15ac7c2 (diff) |
Digi del-5.6 Complete2.6.31-digi-201102151558
Diffstat (limited to 'sound/ppc/keywest.c')
-rw-r--r-- | sound/ppc/keywest.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/ppc/keywest.c b/sound/ppc/keywest.c index 835fa19ed461..bb6819aab133 100644 --- a/sound/ppc/keywest.c +++ b/sound/ppc/keywest.c @@ -59,6 +59,18 @@ static int keywest_attach_adapter(struct i2c_adapter *adapter) strlcpy(info.type, "keywest", I2C_NAME_SIZE); info.addr = keywest_ctx->addr; keywest_ctx->client = i2c_new_device(adapter, &info); + if (!keywest_ctx->client) + return -ENODEV; + /* + * We know the driver is already loaded, so the device should be + * already bound. If not it means binding failed, and then there + * is no point in keeping the device instantiated. + */ + if (!keywest_ctx->client->driver) { + i2c_unregister_device(keywest_ctx->client); + keywest_ctx->client = NULL; + return -ENODEV; + } /* * Let i2c-core delete that device on driver removal. |