On Wed, May 02, 2012 at 03:53:53PM +0100, James Hogan wrote: > Hi > > On 2 May 2012 06:07, Thomas Abraham <thomas.abraham@xxxxxxxxxx> wrote: > > + if (IS_ERR(host->biu_clk)) > > + dev_info(&host->dev, "biu clock not available\n"); > > In this case, should it set host->biu_clk to NULL or are clk_disable > and clk_put guaranteed to handle an IS_ERR value? I keep saying this. NULL must be treated as a valid reutrn value from clk_get() and must not use this as a sentinel. The clk namespace is that errors are indicated with IS_ERR(clk) returning true. Everything else must be assumed to be valid by drivers. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
