linux-kernel - [PATCH] media: qcom: camss: fix VFE pm domain off

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Message-Id: <20241122-vfe_pm_domain_off-v1-1-81d18f56563d@mainlining.org>
Date: Fri, 22 Nov 2024 03:06:34 +0100
From: Barnabás Czémán <barnabas.czeman@...nlining.org>
To: Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Hans Verkuil <hverkuil@...all.nl>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Barnabás Czémán <barnabas.czeman@...nlining.org>
Subject: [PATCH] media: qcom: camss: fix VFE pm domain off

Fix NULL pointer check before device_link_del
is called.

Fixes: eb73facec2c2 ("media: qcom: camss: Use common VFE pm_domain_on/pm_domain_off where applicable")
Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
---
 drivers/media/platform/qcom/camss/camss-vfe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
index 80a62ba11295042802cbaec617fb87c492ea6a55..1bf1473331f63b9ab106d21ea263c84d851c8a31 100644
--- a/drivers/media/platform/qcom/camss/camss-vfe.c
+++ b/drivers/media/platform/qcom/camss/camss-vfe.c
@@ -595,7 +595,7 @@ void vfe_isr_reset_ack(struct vfe_device *vfe)
  */
 void vfe_pm_domain_off(struct vfe_device *vfe)
 {
-	if (!vfe->genpd)
+	if (!vfe->genpd_link)
 		return;
 
 	device_link_del(vfe->genpd_link);

---
base-commit: decc701f41d07481893fdea942c0ac6b226e84cd
change-id: 20241122-vfe_pm_domain_off-c57008e54167

Best regards,
-- 
Barnabás Czémán <barnabas.czeman@...nlining.org>