V4L/DVB (6465): Use correct error codes when chip is not recognized

If the chip isn't recognized, then the correct errors should be returned.
The v4l2_i2c_attach() utility function will return 0 for all errors
except -ENOMEM to provide proper compatibility support for the old I2C
probing function.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c
index f2946aca1299..f4c14604b0b9 100644
--- a/drivers/media/video/msp3400-driver.c
+++ b/drivers/media/video/msp3400-driver.c
@@ -812,7 +812,7 @@ static int msp_probe(struct i2c_client *client)
 
         if (msp_reset(client) == -1) {
                 v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
-                return 0;
+                return -ENODEV;
         }
 
         state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -844,7 +844,7 @@ static int msp_probe(struct i2c_client *client)
         if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
                 v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
                 kfree(state);
-                return 0;
+                return -ENODEV;
         }
 
         msp_set_audio(client);