Re: [PATCH] usb: phy: tahvo: Check before clk_disable() not needed

From: Greg Kroah-Hartman
Date: Fri Jun 10 2022 - 05:01:15 EST


On Fri, Jun 10, 2022 at 12:45:25AM -0700, Yihao Han wrote:
> clk_disable() already checks the clk ptr using IS_ERR_OR_NULL(clk)

It does? Are you sure? It will check for NULL, that's it.

> so there is no need to check it again before calling it.

This will break on some platforms, please always test your patches
before sending them out.

thanks,

greg k-h