diff options
| author | Mika Westerberg | 2017-06-06 15:24:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2017-06-09 11:42:41 +0200 |
| commit | c9843ebbb83a120094aa3a55bc0190d285e8384a (patch) | |
| tree | d296156a193479e70f2f14c366105c602c767f39 /drivers/thunderbolt | |
| parent | da2da04b8d4476a411feb2a12b47792aebbc142f (diff) | |
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: 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/ctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
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 @@ err: void tb_ctl_free(struct tb_ctl *ctl) { int i; + + if (!ctl) + return; + if (ctl->rx) ring_free(ctl->rx); if (ctl->tx) |