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linuxPackages.usbip: fix build with gcc9

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Franz Pletz 2019-11-03 01:22:41 +01:00
parent 8b9b91ccbb
commit 682de1908f
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GPG key ID: 846FDED7792617B4
2 changed files with 41 additions and 0 deletions
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4
pkgs/os-specific/linux/usbip/default.nix
View file

@ -8,11 +8,15 @@ stdenv.mkDerivation {
patches = [
# fixes build with gcc8
./fix-snprintf-truncation.patch
# fixes build with gcc9
./fix-strncpy-truncation.patch
];
nativeBuildInputs = [ autoconf automake libtool ];
buildInputs = [ udev ];
NIX_CFLAGS_COMPILE = [ "-Wno-error=address-of-packed-member" ];
preConfigure = ''
cd tools/usb/usbip
./autogen.sh

37
pkgs/os-specific/linux/usbip/fix-strncpy-truncation.patch Normal file
View file

@ -0,0 +1,37 @@
diff --git a/tools/usb/usbip/libsrc/usbip_common.c b/tools/usb/usbip/libsrc/usbip_common.c
index bb424638d75b..2fc5837e609a 100644
--- a/tools/usb/usbip/libsrc/usbip_common.c
+++ b/tools/usb/usbip/libsrc/usbip_common.c
@@ -226,8 +226,8 @@ int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev)
path = udev_device_get_syspath(sdev);
name = udev_device_get_sysname(sdev);
- strncpy(udev->path, path, SYSFS_PATH_MAX);
- strncpy(udev->busid, name, SYSFS_BUS_ID_SIZE);
+ strncpy(udev->path, path, SYSFS_PATH_MAX-1);
+ strncpy(udev->busid, name, SYSFS_BUS_ID_SIZE-1);
sscanf(name, "%u-%u", &busnum, &devnum);
udev->busnum = busnum;
diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c
index 5a3726eb44ab..95b416af8b99 100644
--- a/tools/usb/usbip/libsrc/usbip_device_driver.c
+++ b/tools/usb/usbip/libsrc/usbip_device_driver.c
@@ -91,7 +91,7 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev)
copy_descr_attr16(dev, &descr, idProduct);
copy_descr_attr16(dev, &descr, bcdDevice);
- strncpy(dev->path, path, SYSFS_PATH_MAX);
+ strncpy(dev->path, path, SYSFS_PATH_MAX-1);
dev->speed = USB_SPEED_UNKNOWN;
speed = udev_device_get_sysattr_value(sdev, "current_speed");
@@ -110,7 +110,7 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev)
dev->busnum = 0;
name = udev_device_get_sysname(plat);
- strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE);
+ strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE-1);
return 0;
err:
fclose(fd);