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Commit c9843ebb authored by Mika Westerberg's avatar Mika Westerberg Committed by Greg Kroah-Hartman
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thunderbolt: Allow passing NULL to tb_ctl_free() 



Following the usual pattern used in many places, we allow passing NULL
pointer to tb_ctl_free(). Then the user can call the function regardless
if it has allocated control channel or not making the code bit simpler.

Suggested-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: default avatarAndreas Noever <andreas.noever@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent da2da04b

drivers/thunderbolt/ctl.c

+4 −0
Original line number Diff line number Diff line
@@ -520,6 +520,10 @@ struct tb_ctl *tb_ctl_alloc(struct tb_nhi *nhi, hotplug_cb cb, void *cb_data) 
void tb_ctl_free(struct tb_ctl *ctl)

{

	int i;



	if (!ctl)

		return;



	if (ctl->rx)

		ring_free(ctl->rx);

	if (ctl->tx)