openwrt/target/linux/bcm27xx/patches-5.15/950-0729-media-i2c-ov7251-Initialise-current_mode-during-prob.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

27 lines
840 B
Diff

From cd239eeb0ed6bea434b88d38a5fd8a775f199144 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Sat, 12 Feb 2022 11:57:19 +0000
Subject: [PATCH] media: i2c: ov7251: Initialise current_mode during
probe
Initialise ov7251->current_mode during probe to avoid the issue
of a NULL dereference should get_frame_interval be called before
set_frame_interval or set_format.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/i2c/ov7251.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/media/i2c/ov7251.c
+++ b/drivers/media/i2c/ov7251.c
@@ -1529,6 +1529,8 @@ static int ov7251_probe(struct i2c_clien
mutex_init(&ov7251->lock);
+ ov7251->current_mode = &ov7251_mode_info_data[0];
+
v4l2_ctrl_handler_init(&ov7251->ctrls, 9);
ov7251->ctrls.lock = &ov7251->lock;