From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Date: Fri, 11 Dec 2015 13:46:50 +0000 (+0000)
Subject: greybus: loopback: Drop NULL check on container_of pointer
X-Git-Tag: v5.15~12752^2~378^2~21^2~931
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=578a0ab8dd02f1de4b3b0e7b227ff78ae54fa4e1;p=platform%2Fkernel%2Flinux-starfive.git

greybus: loopback: Drop NULL check on container_of pointer

container_of cannot return NULL and the pointer passed to this context uses
reference counter bumped inside a spinlock, so the base pointer will be
valid at this point.

Suggested-by: Johan Hovold <johan@hovoldconstulting.com>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---

diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index 68372918..0828772 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -526,9 +526,6 @@ static void gb_loopback_async_operation_work(struct work_struct *work)
 	struct gb_loopback_async_operation *op_async;
 
 	op_async = container_of(work, struct gb_loopback_async_operation, work);
-	if (!op_async)
-		return;
-
 	gb = op_async->gb;
 	operation = op_async->operation;