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Code Issues Releases Wiki Activity

usb_device.c: remove LIBUSB() wrapper around call that may fail

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The libusb_detach_kernel_driver() call may return
LIBUSB_ERROR_NOT_FOUND, which should not be treated as an error.

Wrapping the call in LIBUSB() caused the error code to be transformed by
LIBUSB_ERROR(), so LIBUSB_ERROR_NOT_FOUND was not recognized at the call
site and was treated as a real error.

BUG=b:278635575
TEST=flashrom -p raiden_debug_spi:target=AP
BRANCH=none

Change-Id: I38e4642bcbddaf3f37821093f6b919806134ed7b
Signed-off-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/74537
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Thomas Heijligen <src@posteo.de>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
This commit is contained in:
Nikolai Artemiev 2023-04-19 17:05:25 +10:00 committed by Edward O'Callaghan
parent 67ca4a71c4
commit ba18f3e58e
1 changed files with 2 additions and 2 deletions
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4
usb_device.c
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@ -342,8 +342,8 @@ int usb_device_claim(struct usb_device *device)
}
}
ret = LIBUSB(libusb_detach_kernel_driver(device->handle,
device->interface_descriptor->bInterfaceNumber));
ret = libusb_detach_kernel_driver(device->handle,
device->interface_descriptor->bInterfaceNumber);
if (ret != 0 && ret != LIBUSB_ERROR_NOT_FOUND && ret != LIBUSB_ERROR_NOT_SUPPORTED) {
msg_perr("Cannot detach the existing usb driver. %s\n",
libusb_error_name(ret));