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[media] mem2mem_testdev: unlock and return error code properly

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We recently added locking to this function, but there was an error path
which accidentally returned holding a lock.  Also we returned zero on
failure on some paths instead of the error code.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dan Carpenter 2012-08-14 02:58:56 -03:00 committed by Mauro Carvalho Chehab
parent e36c92fd63
commit a7bd775628
1 changed files with 3 additions and 4 deletions
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7
drivers/media/platform/mem2mem_testdev.c
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@ -911,10 +911,9 @@ static int m2mtest_open(struct file *file)
v4l2_ctrl_new_custom(hdl, &m2mtest_ctrl_trans_time_msec, NULL);
v4l2_ctrl_new_custom(hdl, &m2mtest_ctrl_trans_num_bufs, NULL);
if (hdl->error) {
int err = hdl->error;
rc = hdl->error;
v4l2_ctrl_handler_free(hdl);
return err;
goto open_unlock;
}
ctx->fh.ctrl_handler = hdl;
v4l2_ctrl_handler_setup(hdl);
@ -946,7 +945,7 @@ static int m2mtest_open(struct file *file)
open_unlock:
mutex_unlock(&dev->dev_mutex);
return 0;
return rc;
}
static int m2mtest_release(struct file *file)