diff options
author | V3n3RiX <venerix@koprulu.sector> | 2022-10-17 01:53:44 +0100 |
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committer | V3n3RiX <venerix@koprulu.sector> | 2022-10-17 01:53:44 +0100 |
commit | 9126563f8b9bef939e4df502bf0e52f19fc4f444 (patch) | |
tree | 3d13ccf0bf590cf1fe47aa2e0a63e0b6f9cda5a1 /dev-util/android-tools/files/android-tools-33.0.3-adb-0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch | |
parent | 3108ce8586e6da41676fd6bed4101da8f4af8e31 (diff) |
gentoo auto-resync : 17:10:2022 - 01:53:44
Diffstat (limited to 'dev-util/android-tools/files/android-tools-33.0.3-adb-0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch')
-rw-r--r-- | dev-util/android-tools/files/android-tools-33.0.3-adb-0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/dev-util/android-tools/files/android-tools-33.0.3-adb-0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch b/dev-util/android-tools/files/android-tools-33.0.3-adb-0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch new file mode 100644 index 000000000000..25572574d834 --- /dev/null +++ b/dev-util/android-tools/files/android-tools-33.0.3-adb-0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch @@ -0,0 +1,120 @@ +https://github.com/anatol/android-tools/blob/2f8405a47909861c9359fe4797e7b4a0fba4dc12/patches/adb/0023-Update-usage-of-usbdevfs_urb-to-match-new-kernel-UAP.patch +https://github.com/nmeum/android-tools/issues/74 +https://bugs.gentoo.org/876328 + +From c830c90995fc0877348e2ed9cdeccf9b739138d2 Mon Sep 17 00:00:00 2001 +From: Anatol Pomozov <anatol.pomozov@gmail.com> +Date: Mon, 10 Oct 2022 10:47:57 -0700 +Subject: [PATCH] Update usage of usbdevfs_urb to match new kernel UAPI +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Linux kernel API has been changed by commit 94dfc73e7cf4 ("treewide: uapi: Replace zero-length arrays with flexible-array members") +where zero-length array iso_frame_desc in struct usbdevfs_urb was replaced with a proper flexible-array member. + +Current USB API usage causes a compilation error at Linux 6.0: + +In file included from /home/mae/.cache/kiss/proc/121205/build/android-tools/vendor/adb/client/usb_linux.cpp:28: +/usr/include/linux/usbdevice_fs.h:134:41: error: flexible array member ‘usbdevfs_urb::iso_frame_desc’ not at end of ‘struct usb_handle’ + 134 | struct usbdevfs_iso_packet_desc iso_frame_desc[]; + | ^~~~~~~~~~~~~~ +/home/mae/.cache/kiss/proc/121205/build/android-tools/vendor/adb/client/usb_linux.cpp:76:18: note: next member ‘usbdevfs_urb usb_handle::urb_out’ declared here + 76 | usbdevfs_urb urb_out; + | ^~~~~~~ +/home/mae/.cache/kiss/proc/121205/build/android-tools/vendor/adb/client/usb_linux.cpp:61:8: note: in the definition of ‘struct usb_handle’ + 61 | struct usb_handle { + | ^~~~~~~~~~ + +Fix it by using pointers to a struct with flexible-array members. +Current fix works both with the old and the new API. + +See https://github.com/nmeum/android-tools/issues/74 for more context. + +Tested: built on Linux against kernel 5.19 and 6.0; 'adb shell' over USB +cable +Acked-by: Gustavo A. R. Silva gustavoars@kernel.org +Change-Id: I7f0f7b35d9a3ab980d3520b541b60c7857a6b101 +Signed-off-by: Anatol Pomozov <anatol.pomozov@gmail.com> +--- a/client/usb_linux.cpp ++++ b/client/usb_linux.cpp +@@ -71,8 +71,8 @@ struct usb_handle { + unsigned zero_mask; + unsigned writeable = 1; + +- usbdevfs_urb urb_in; +- usbdevfs_urb urb_out; ++ usbdevfs_urb *urb_in; ++ usbdevfs_urb *urb_out; + + bool urb_in_busy = false; + bool urb_out_busy = false; +@@ -303,7 +303,7 @@ static int usb_bulk_write(usb_handle* h, const void* data, int len) { + std::unique_lock<std::mutex> lock(h->mutex); + D("++ usb_bulk_write ++"); + +- usbdevfs_urb* urb = &h->urb_out; ++ usbdevfs_urb* urb = h->urb_out; + memset(urb, 0, sizeof(*urb)); + urb->type = USBDEVFS_URB_TYPE_BULK; + urb->endpoint = h->ep_out; +@@ -342,7 +342,7 @@ static int usb_bulk_read(usb_handle* h, void* data, int len) { + std::unique_lock<std::mutex> lock(h->mutex); + D("++ usb_bulk_read ++"); + +- usbdevfs_urb* urb = &h->urb_in; ++ usbdevfs_urb* urb = h->urb_in; + memset(urb, 0, sizeof(*urb)); + urb->type = USBDEVFS_URB_TYPE_BULK; + urb->endpoint = h->ep_in; +@@ -387,7 +387,7 @@ static int usb_bulk_read(usb_handle* h, void* data, int len) { + } + D("[ urb @%p status = %d, actual = %d ]", out, out->status, out->actual_length); + +- if (out == &h->urb_in) { ++ if (out == h->urb_in) { + D("[ reap urb - IN complete ]"); + h->urb_in_busy = false; + if (urb->status != 0) { +@@ -396,7 +396,7 @@ static int usb_bulk_read(usb_handle* h, void* data, int len) { + } + return urb->actual_length; + } +- if (out == &h->urb_out) { ++ if (out == h->urb_out) { + D("[ reap urb - OUT compelete ]"); + h->urb_out_busy = false; + h->cv.notify_all(); +@@ -500,10 +500,10 @@ void usb_kick(usb_handle* h) { + ** but this ensures that a reader blocked on REAPURB + ** will get unblocked + */ +- ioctl(h->fd, USBDEVFS_DISCARDURB, &h->urb_in); +- ioctl(h->fd, USBDEVFS_DISCARDURB, &h->urb_out); +- h->urb_in.status = -ENODEV; +- h->urb_out.status = -ENODEV; ++ ioctl(h->fd, USBDEVFS_DISCARDURB, h->urb_in); ++ ioctl(h->fd, USBDEVFS_DISCARDURB, h->urb_out); ++ h->urb_in->status = -ENODEV; ++ h->urb_out->status = -ENODEV; + h->urb_in_busy = false; + h->urb_out_busy = false; + h->cv.notify_all(); +@@ -519,6 +519,8 @@ int usb_close(usb_handle* h) { + + D("-- usb close %p (fd = %d) --", h, h->fd); + ++ delete h->urb_in; ++ delete h->urb_out; + delete h; + + return 0; +@@ -572,6 +574,8 @@ static void register_device(const char* dev_name, const char* dev_path, unsigned + usb->ep_out = ep_out; + usb->zero_mask = zero_mask; + usb->max_packet_size = max_packet_size; ++ usb->urb_in = new usbdevfs_urb; ++ usb->urb_out = new usbdevfs_urb; + + // Initialize mark so we don't get garbage collected after the device scan. + usb->mark = true; |