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fpga: dfl: make uinit callback optional 

This patch makes uinit callback of sub features optional. With
this change, people don't need to prepare any empty uinit callback.

Signed-off-by: Wu Hao <hao.wu@intel.com>
Link: https://lore.kernel.org/r/1564914022-3710-9-git-send-email-hao.wu@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wu Hao 2019-08-04 18:20:18 +08:00 committed by Greg Kroah-Hartman
parent 15bbb300fc
commit 3c51ff7722
1 changed files with 2 additions and 1 deletions
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3
drivers/fpga/dfl.c
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@ -259,7 +259,8 @@ void dfl_fpga_dev_feature_uinit(struct platform_device *pdev)
dfl_fpga_dev_for_each_feature(pdata, feature)
if (feature->ops) {
feature->ops->uinit(pdev, feature);
if (feature->ops->uinit)
feature->ops->uinit(pdev, feature);
feature->ops = NULL;
}
}