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Add reaped URB error checking

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This commit is contained in:
Ondrej Jirman 2021-06-17 11:16:58 +02:00
parent c8736296c3
commit a739b4b856
1 changed files with 16 additions and 0 deletions
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16
usb-flasher/kbprog-usb.c
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@ -282,6 +282,9 @@ void bootloader_command(uint8_t req[8])
ret = ioctl(bootloader_fd, USBDEVFS_REAPURB, &reaped_urb); ret = ioctl(bootloader_fd, USBDEVFS_REAPURB, &reaped_urb);
syscall_error(ret < 0, "USBDEVFS_REAPURB failed"); syscall_error(ret < 0, "USBDEVFS_REAPURB failed");
if (urb.status != 0)
error("URB failed with status=%s (%d)", strerror(urb.status), urb.status);
debug("CMD:"); debug("CMD:");
for (int i = 0; i < urb.actual_length; i++) for (int i = 0; i < urb.actual_length; i++)
debug(" %02hhx", req[i]); debug(" %02hhx", req[i]);
@ -307,6 +310,11 @@ void bootloader_status(uint8_t res[4])
ret = ioctl(bootloader_fd, USBDEVFS_REAPURB, &reaped_urb); ret = ioctl(bootloader_fd, USBDEVFS_REAPURB, &reaped_urb);
syscall_error(ret < 0, "USBDEVFS_REAPURB failed"); syscall_error(ret < 0, "USBDEVFS_REAPURB failed");
if (urb.status != 0)
error("URB failed with status=%s (%d)", strerror(urb.status), urb.status);
if (urb.actual_length != 4)
error("Status response too short, must be 4 bytes, got %d", urb.actual_length);
debug("RES:"); debug("RES:");
for (int i = 0; i < urb.actual_length; i++) for (int i = 0; i < urb.actual_length; i++)
debug(" %02hhx", res[i]); debug(" %02hhx", res[i]);
@ -387,6 +395,11 @@ int bootloader_read_data(uint8_t res[64])
debug(" %02hhx", res[i]); debug(" %02hhx", res[i]);
debug("\n"); debug("\n");
if (urb.status != 0)
error("URB failed with status=%s (%d)", strerror(urb.status), urb.status);
if (urb.actual_length != 64)
error("Data response too short, must be 64 bytes, got %d", urb.actual_length);
return urb.actual_length; return urb.actual_length;
} }
@ -410,6 +423,9 @@ void bootloader_write_data(uint8_t res[64])
ret = ioctl(bootloader_fd, USBDEVFS_REAPURB, &reaped_urb); ret = ioctl(bootloader_fd, USBDEVFS_REAPURB, &reaped_urb);
syscall_error(ret < 0, "USBDEVFS_REAPURB failed"); syscall_error(ret < 0, "USBDEVFS_REAPURB failed");
if (urb.status != 0)
error("URB failed with status=%s (%d)", strerror(urb.status), urb.status);
debug("DATA:"); debug("DATA:");
for (int i = 0; i < urb.actual_length; i++) for (int i = 0; i < urb.actual_length; i++)
debug(" %02hhx", res[i]); debug(" %02hhx", res[i]);