From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Paul Elder <paul.elder@ideasonboard.com>,
Dafna Hirschfeld <dafna@fastmail.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Sasha Levin <sashal@kernel.org>,
gregkh@linuxfoundation.org, linux-media@vger.kernel.org,
linux-staging@lists.linux.dev
Subject: [PATCH AUTOSEL 5.10 02/14] media: rkisp1: Zero v4l2_subdev_format fields in when validating links
Date: Tue, 1 Nov 2022 07:29:58 -0400 [thread overview]
Message-ID: <20221101113012.800271-2-sashal@kernel.org> (raw)
In-Reply-To: <20221101113012.800271-1-sashal@kernel.org>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[ Upstream commit c53e3a049f35978a150526671587fd46b1ae7ca1 ]
The local sd_fmt variable in rkisp1_capture_link_validate() has
uninitialized fields, which causes random failures when calling the
subdev .get_fmt() operation. Fix it by initializing the variable when
declaring it, which zeros all other fields.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Dafna Hirschfeld <dafna@fastmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/staging/media/rkisp1/rkisp1-capture.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
index 0c934ca5adaa..8936f5a81680 100644
--- a/drivers/staging/media/rkisp1/rkisp1-capture.c
+++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
@@ -1258,11 +1258,12 @@ static int rkisp1_capture_link_validate(struct media_link *link)
struct rkisp1_capture *cap = video_get_drvdata(vdev);
const struct rkisp1_capture_fmt_cfg *fmt =
rkisp1_find_fmt_cfg(cap, cap->pix.fmt.pixelformat);
- struct v4l2_subdev_format sd_fmt;
+ struct v4l2_subdev_format sd_fmt = {
+ .which = V4L2_SUBDEV_FORMAT_ACTIVE,
+ .pad = link->source->index,
+ };
int ret;
- sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
- sd_fmt.pad = link->source->index;
ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &sd_fmt);
if (ret)
return ret;
--
2.35.1
next prev parent reply other threads:[~2022-11-01 11:34 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-01 11:29 [PATCH AUTOSEL 5.10 01/14] media: rkisp1: Initialize color space on resizer sink and source pads Sasha Levin
2022-11-01 11:29 ` Sasha Levin [this message]
2022-11-01 11:29 ` [PATCH AUTOSEL 5.10 03/14] media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 04/14] media: cros-ec-cec: " Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 05/14] media: dvb-frontends/drxk: initialize err to 0 Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 06/14] media: meson: vdec: fix possible refcount leak in vdec_probe() Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 07/14] media: atomisp: Ensure that USERPTR pointers are page aligned Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 08/14] media: atomisp: Fix v4l2_fh resource leak on open errors Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 09/14] ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init() Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 10/14] hwrng: bcm2835 - use hwrng_msleep() instead of cpu_relax() Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 11/14] scsi: core: Restrict legal sdev_state transitions via sysfs Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 12/14] HID: saitek: add madcatz variant of MMO7 mouse device ID Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 13/14] drm/amdgpu: set vm_update_mode=0 as default for Sienna Cichlid in SRIOV case Sasha Levin
2022-11-01 11:30 ` [PATCH AUTOSEL 5.10 14/14] i2c: xiic: Add platform module alias Sasha Levin
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