Messages in this thread Patch in this message | | | From | Mika Westerberg <> | Subject | [PATCH v4 07/27] thunderbolt: Allow passing NULL to tb_ctl_free() | Date | Tue, 6 Jun 2017 15:24:59 +0300 |
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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: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andreas Noever <andreas.noever@gmail.com> --- drivers/thunderbolt/ctl.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index 889a32dd21e7..f8290a577b2b 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -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) -- 2.11.0
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