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trivial: Set the GError when calling ioctl() on an un-opened device

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I've not yet worked out the real bug, but it was unexpected to crash the daemon
when open failed, rather than for a critical misuse of the API.
This commit is contained in:
Richard Hughes 2021-02-25 14:25:52 +00:00
parent 14c0f7c80e
commit 0b6c67a3e3
1 changed files with 33 additions and 3 deletions
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36
libfwupdplugin/fu-udev-device.c
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@ -1328,9 +1328,19 @@ fu_udev_device_ioctl (FuUdevDevice *self,
g_return_val_if_fail (FU_IS_UDEV_DEVICE (self), FALSE);
g_return_val_if_fail (request != 0x0, FALSE);
g_return_val_if_fail (buf != NULL, FALSE);
g_return_val_if_fail (priv->fd > 0, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
/* not open! */
if (priv->fd == 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"%s [%s] has not been opened",
fu_device_get_id (FU_DEVICE (self)),
fu_device_get_name (FU_DEVICE (self)));
return FALSE;
}
rc_tmp = ioctl (priv->fd, request, buf);
if (rc != NULL)
*rc = rc_tmp;
@ -1389,9 +1399,19 @@ fu_udev_device_pread_full (FuUdevDevice *self, goffset port,
g_return_val_if_fail (FU_IS_UDEV_DEVICE (self), FALSE);
g_return_val_if_fail (buf != NULL, FALSE);
g_return_val_if_fail (priv->fd > 0, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
/* not open! */
if (priv->fd == 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"%s [%s] has not been opened",
fu_device_get_id (FU_DEVICE (self)),
fu_device_get_name (FU_DEVICE (self)));
return FALSE;
}
#ifdef HAVE_PWRITE
if (pread (priv->fd, buf, bufsz, port) != (gssize) bufsz) {
g_set_error (error,
@ -1434,9 +1454,19 @@ fu_udev_device_pwrite_full (FuUdevDevice *self, goffset port,
FuUdevDevicePrivate *priv = GET_PRIVATE (self);
g_return_val_if_fail (FU_IS_UDEV_DEVICE (self), FALSE);
g_return_val_if_fail (priv->fd > 0, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
/* not open! */
if (priv->fd == 0) {
g_set_error (error,
FWUPD_ERROR,
FWUPD_ERROR_INTERNAL,
"%s [%s] has not been opened",
fu_device_get_id (FU_DEVICE (self)),
fu_device_get_name (FU_DEVICE (self)));
return FALSE;
}
#ifdef HAVE_PWRITE
if (pwrite (priv->fd, buf, bufsz, port) != (gssize) bufsz) {
g_set_error (error,