On Tue, Aug 20, 2013 at 07:34:23PM +0200, Sylwester Nawrocki wrote: > There is currently a race condition in the device tree part of clk_get() > function, since the pointer returned from of_clk_get_by_name() may become > invalid before __clk_get() call. I.e. due to the clock provider driver > remove() callback being called in between of_clk_get_by_name() and > __clk_get(). > > Fix this by doing both the look up and __clk_get() operations with the > clock providers list mutex held. This ensures that the clock pointer > returned from __of_clk_get_from_provider() call and passed to __clk_get() > is valid, as long as the clock supplier module first removes its clock > provider instance and then does clk_unregister() on the corresponding > clocks. > > Signed-off-by: Sylwester Nawrocki <[email protected]> > Signed-off-by: Kyungmin Park <[email protected]> > Reviewed-by: Mike Turquette <[email protected]>
Thanks. Acked-by: Russell King <[email protected]> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
