From: Xiaomeng Tong <xiam0nd.tong@gmail.com>
Date: Tue, 5 Apr 2022 08:05:56 +0000 (+0800)
Subject: mailbox: remove an unneeded NULL check on list iterator
X-Git-Tag: v5.19-rc1~133^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b0070aca35ed70f9cc6f97b5d9f7f98cb4771fd;p=thirdparty%2Fkernel%2Flinux.git

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 78f7265039c66..a55d6df996978 100644
--- 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);
 	}