937f2cc1d5
Fix bogus obsoletes (rhbz#1537213) Update udev rule to allow device access to "video" group
52 lines
1.9 KiB
Diff
52 lines
1.9 KiB
Diff
From db0e1825ff93133f3ca5735524d78279ede824db Mon Sep 17 00:00:00 2001
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From: Rich Mattes <richmattes@gmail.com>
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Date: Sat, 26 May 2018 16:14:01 -0400
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Subject: [PATCH 2/2] Fix bugs in sync library error handling
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fnusb_open_subdevices checked for camera==NULL or res < 0 before
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jumping to the failure case. If camera was NULL but res was not
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0, the function would return 0 indicating success. This occurs
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when a kinect is not plugged into the PC. Forcing res to be
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negative when the camera == NULL case allows the failure to open
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a device to propagate through an application.
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alloc_kinect in freenect_sync has a check for if freenect_open_device
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fails, but the logic is incorrect. freenect_open_device returns 0 on
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success and < 0 on error, so adding a check to see if the return is
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< 0 corrects detection of the failure case.
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Signed-off-by: Rich Mattes <richmattes@gmail.com>
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---
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src/usb_libusb10.c | 1 +
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wrappers/c_sync/libfreenect_sync.c | 2 +-
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2 files changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/usb_libusb10.c b/src/usb_libusb10.c
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index 11de86a..614aeee 100644
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--- a/src/usb_libusb10.c
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+++ b/src/usb_libusb10.c
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@@ -465,6 +465,7 @@ FN_INTERNAL int fnusb_open_subdevices(freenect_device *dev, int index)
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}
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if (res < 0 || camera == NULL) {
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+ res = -1;
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goto failure;
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}
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diff --git a/wrappers/c_sync/libfreenect_sync.c b/wrappers/c_sync/libfreenect_sync.c
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index 1b2e049..26a2261 100644
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--- a/wrappers/c_sync/libfreenect_sync.c
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+++ b/wrappers/c_sync/libfreenect_sync.c
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@@ -249,7 +249,7 @@ static int change_depth_format(sync_kinect_t *kinect, freenect_resolution res, f
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static sync_kinect_t *alloc_kinect(int index)
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{
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sync_kinect_t *kinect = (sync_kinect_t*)malloc(sizeof(sync_kinect_t));
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- if (freenect_open_device(ctx, &kinect->dev, index)) {
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+ if (freenect_open_device(ctx, &kinect->dev, index) < 0) {
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free(kinect);
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return NULL;
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}
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--
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2.17.0
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