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* usbip: Fix unsafe unaligned pointer usageShuah Khan2020-02-28
| | | | | | | | | | | | | | | | | | [ Upstream commit 585c91f40d201bc564d4e76b83c05b3b5363fe7e ] Fix unsafe unaligned pointer usage in usbip network interfaces. usbip tool build fails with new gcc -Werror=address-of-packed-member checks. usbip_network.c: In function ‘usbip_net_pack_usb_device’: usbip_network.c:79:32: error: taking address of packed member of ‘struct usbip_usb_device’ may result in an unaligned pointer value [-Werror=address-of-packed-member] 79 | usbip_net_pack_uint32_t(pack, &udev->busnum); Fix with minor changes to pass by value instead of by address. Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/r/20200109012416.2875-1-skhan@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
* usbip: usbip_detach: Fix memory, udev context and udev leakShuah Khan (Samsung OSG)2018-08-06
| | | | | | | | | | | | | | [ Upstream commit d179f99a651685b19333360e6558110da2fe9bd7 ] detach_port() fails to call usbip_vhci_driver_close() from its error path after usbip_vhci_detach_device() returns failure, leaking memory allocated in usbip_vhci_driver_open() and holding udev_context and udev references. Fix it to call usbip_vhci_driver_close(). Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tools/usbip: fixes build with musl libc toolchainJulien BOIBESSOT2018-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | [ Upstream commit 77be4c878c72e411ad22af96b6f81dd45c26450a ] Indeed musl doesn't define old SIGCLD signal name but only new one SIGCHLD. SIGCHLD is the new POSIX name for that signal so it doesn't change anything on other libcs. This fixes this kind of build error: usbipd.c: In function ‘set_signal’: usbipd.c:459:12: error: 'SIGCLD' undeclared (first use in this function) sigaction(SIGCLD, &act, NULL); ^~~~~~ usbipd.c:459:12: note: each undeclared identifier is reported only once for each function it appears in Makefile:407: recipe for target 'usbipd.o' failed make[3]: *** [usbipd.o] Error 1 Signed-off-by: Julien BOIBESSOT <julien.boibessot@armadeus.com> Acked-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usbip: list: don't list devices attached to vhci_hcdShuah Khan2018-02-03
| | | | | | | | | | | | | | | | | | commit ef824501f50846589f02173d73ce3fe6021a9d2a upstream. usbip host lists devices attached to vhci_hcd on the same server when user does attach over localhost or specifies the server as the remote. usbip attach -r localhost -b busid or usbip attach -r servername (or server IP) Fix it to check and not list devices that are attached to vhci_hcd. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usbip: prevent bind loops on devices attached to vhci_hcdShuah Khan2018-02-03
| | | | | | | | | | | | | | | | | | | | | | commit ef54cf0c600fb8f5737fb001a9e357edda1a1de8 upstream. usbip host binds to devices attached to vhci_hcd on the same server when user does attach over localhost or specifies the server as the remote. usbip attach -r localhost -b busid or usbip attach -r servername (or server IP) Unbind followed by bind works, however device is left in a bad state with accesses via the attached busid result in errors and system hangs during shutdown. Fix it to check and bail out if the device is already attached to vhci_hcd. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usbip: Fix implicit fallthrough warningJonathan Dieter2018-01-31
| | | | | | | | | | | | | | | | commit cfd6ed4537a9e938fa76facecd4b9cd65b6d1563 upstream. GCC 7 now warns when switch statements fall through implicitly, and with -Werror enabled in configure.ac, that makes these tools unbuildable. We fix this by notifying the compiler that this particular case statement is meant to fall through. Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Jonathan Dieter <jdieter@lesbg.com> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usbip: fix usbip bind writing random string after command in match_busidJuan Zea2018-01-02
| | | | | | | | | | | | | commit 544c4605acc5ae4afe7dd5914147947db182f2fb upstream. usbip bind writes commands followed by random string when writing to match_busid attribute in sysfs, caused by using full variable size instead of string length. Signed-off-by: Juan Zea <juan.zea@qindel.com> Acked-by: Shuah Khan <shuahkh@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tools: usbip: detach: avoid calling strlen() at each iterationEric Curtin2015-09-22
| | | | | | | | | Instead of calling strlen on every iteration of the for loop, just call it once and cache the result in a temporary local variable which will be used in the for loop instead. Signed-off-by: Eric Curtin <ericcurtin17@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usbip: remove unneeded structureJulia Lawall2014-12-02
| | | | | | | | | | | | | | | | | | | | | | | | | Delete a local structure that is only used to be initialized by memset. A semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x,i; @@ { ... when any -struct i x; <+... when != x - memset(&x,...); ...+> } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Valentina Manea <valentina.manea.m@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* usbip: move usbip userspace code out of stagingValentina Manea2014-08-25
At this point, USB/IP userspace code is fully functional and can be moved out of staging. Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>