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From: Ricardo Ribalda <ribalda@chromium.org>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	 Hans de Goede <hdegoede@redhat.com>,
	 Mauro Carvalho Chehab <mchehab@kernel.org>,
	 Hans Verkuil <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
	 Ricardo Ribalda <ribalda@chromium.org>
Subject: [PATCH 2/9] media: uvcvideo: Refactor uvc_v4l2_compat_ioctl32
Date: Wed, 28 May 2025 17:57:57 +0000	[thread overview]
Message-ID: <20250528-uvc-grannular-invert-v1-2-d01581f9cc25@chromium.org> (raw)
In-Reply-To: <20250528-uvc-grannular-invert-v1-0-d01581f9cc25@chromium.org>

Declaring a variable for doing automatic cleanup is not a very common
pattern. Replace the cleanup macro with manual cleanup to make the code
simpler.

Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20250509-uvc-followup-v1-3-73bcde30d2b5@chromium.org
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/media/usb/uvc/uvc_v4l2.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 862b4e34e5b629cf324479a9bb59ebe8784ccd5d..1abdf1ea39956bbbadd3f166f37bdac518068648 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -1382,11 +1382,9 @@ static int uvc_v4l2_put_xu_query(const struct uvc_xu_control_query *kp,
 #define UVCIOC_CTRL_MAP32	_IOWR('u', 0x20, struct uvc_xu_control_mapping32)
 #define UVCIOC_CTRL_QUERY32	_IOWR('u', 0x21, struct uvc_xu_control_query32)
 
-DEFINE_FREE(uvc_pm_put, struct uvc_device *, if (_T) uvc_pm_put(_T))
 static long uvc_v4l2_compat_ioctl32(struct file *file,
 		     unsigned int cmd, unsigned long arg)
 {
-	struct uvc_device *uvc_device __free(uvc_pm_put) = NULL;
 	struct uvc_fh *handle = file->private_data;
 	union {
 		struct uvc_xu_control_mapping xmap;
@@ -1399,38 +1397,38 @@ static long uvc_v4l2_compat_ioctl32(struct file *file,
 	if (ret)
 		return ret;
 
-	uvc_device = handle->stream->dev;
-
 	switch (cmd) {
 	case UVCIOC_CTRL_MAP32:
 		ret = uvc_v4l2_get_xu_mapping(&karg.xmap, up);
 		if (ret)
-			return ret;
+			break;
 		ret = uvc_ioctl_xu_ctrl_map(handle->chain, &karg.xmap);
 		if (ret)
-			return ret;
+			break;
 		ret = uvc_v4l2_put_xu_mapping(&karg.xmap, up);
 		if (ret)
-			return ret;
-
+			break;
 		break;
 
 	case UVCIOC_CTRL_QUERY32:
 		ret = uvc_v4l2_get_xu_query(&karg.xqry, up);
 		if (ret)
-			return ret;
+			break;
 		ret = uvc_xu_ctrl_query(handle->chain, &karg.xqry);
 		if (ret)
-			return ret;
+			break;
 		ret = uvc_v4l2_put_xu_query(&karg.xqry, up);
 		if (ret)
-			return ret;
+			break;
 		break;
 
 	default:
-		return -ENOIOCTLCMD;
+		ret = -ENOIOCTLCMD;
+		break;
 	}
 
+	uvc_pm_put(handle->stream->dev);
+
 	return ret;
 }
 #endif

-- 
2.49.0.1266.g31b7d2e469-goog


  parent reply	other threads:[~2025-05-28 17:58 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-28 17:57 [PATCH 0/9] media: uvcvideo: Invert granular PM logic + PM fix Ricardo Ribalda
2025-05-28 17:57 ` [PATCH 1/9] media: uvcvideo: Refactor uvc_queue_streamon Ricardo Ribalda
2025-05-28 17:57 ` Ricardo Ribalda [this message]
2025-05-28 17:57 ` [PATCH 3/9] media: uvcvideo: Use vb2 ioctl and fop helpers Ricardo Ribalda
2025-05-28 17:57 ` [PATCH 4/9] media: uvcvideo: Remove stream->is_streaming field Ricardo Ribalda
2025-05-28 17:58 ` [PATCH 5/9] media: uvcvideo: Turn on the camera if V4L2_EVENT_SUB_FL_SEND_INITIAL Ricardo Ribalda
2025-06-02  8:58   ` Hans de Goede
2025-05-28 17:58 ` [PATCH 6/9] media: uvcvideo: Do not enable camera during UVCIOC_CTRL_MAP32 Ricardo Ribalda
2025-06-02  9:46   ` Hans de Goede
2025-05-28 17:58 ` [PATCH 7/9] media: uvcvideo: uvc_v4l2_unlocked_ioctl: Invert PM logic Ricardo Ribalda
2025-06-02  9:58   ` Hans de Goede
2025-05-28 17:58 ` [PATCH 8/9] media: uvcvideo: Do not turn on the camera unless is needed Ricardo Ribalda
2025-05-28 17:58 ` [PATCH 9/9] media: uvcvideo: Support granular power saving for compat syscalls Ricardo Ribalda
2025-06-02 10:10   ` Hans de Goede
2025-06-02 10:27     ` Ricardo Ribalda
2025-06-02 11:07       ` Hans de Goede
2025-06-02 11:11         ` Ricardo Ribalda
2025-06-02 11:24           ` Hans de Goede
2025-06-02 11:40             ` Ricardo Ribalda
2025-06-02 11:43               ` Hans de Goede

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