mailbox: remove an unneeded NULL check on list iterator

The list iterator is always non-NULL so it doesn't need to be checked.
Thus just remove the unnecessary NULL check.

Signed-off-by: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c
index 78f7265039c66778ddfb34066454d79227d5eed7..a55d6df99697898f6d941bb95fcf89b82f77cb77 100644 (file)
--- a/drivers/mailbox/tegra-hsp.c
+++ b/drivers/mailbox/tegra-hsp.c
@@ -804,7 +804,7 @@ static int __maybe_unused tegra_hsp_resume(struct device *dev)
        struct tegra_hsp_doorbell *db;
 
        list_for_each_entry(db, &hsp->doorbells, list) {
-               if (db && db->channel.chan)
+               if (db->channel.chan)
                        tegra_hsp_doorbell_startup(db->channel.chan);
        }