From: Hans de Goede hdegoede@redhat.com

commit 798d2ad739da5343122eff386578f259278f2594 upstream.

The functions called by atomisp_create_pipes_stream() can fail, add error checking for them.

Link: https://lore.kernel.org/linux-media/20220615205037.16549-35-hdegoede@redhat.... Reviewed-by: Andy Shevchenko andy.shevchenko@gmail.com Signed-off-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org Signed-off-by: Anastasia Belova abelova@astralinux.ru --- .../media/atomisp/pci/atomisp_compat.h | 2 +- .../media/atomisp/pci/atomisp_compat_css20.c | 20 ++++++++++++++++--- .../staging/media/atomisp/pci/atomisp_ioctl.c | 13 ++++++++++-- 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_compat.h b/drivers/staging/media/atomisp/pci/atomisp_compat.h index c16eaf3d126f..75c978c4e6f3 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_compat.h +++ b/drivers/staging/media/atomisp/pci/atomisp_compat.h @@ -242,7 +242,7 @@ int atomisp_css_input_configure_port(struct atomisp_sub_device *asd, unsigned int metadata_width, unsigned int metadata_height);

-void atomisp_create_pipes_stream(struct atomisp_sub_device *asd); +int atomisp_create_pipes_stream(struct atomisp_sub_device *asd); void atomisp_destroy_pipes_stream_force(struct atomisp_sub_device *asd);

void atomisp_css_stop(struct atomisp_sub_device *asd, diff --git a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c index 99a632f33d2d..f64d73b4c4b7 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c +++ b/drivers/staging/media/atomisp/pci/atomisp_compat_css20.c @@ -795,10 +795,24 @@ static int __create_pipes(struct atomisp_sub_device *asd) return -EINVAL; }

-void atomisp_create_pipes_stream(struct atomisp_sub_device *asd) +int atomisp_create_pipes_stream(struct atomisp_sub_device *asd) { - __create_pipes(asd); - __create_streams(asd); + int ret; + + ret = __create_pipes(asd); + if (ret) { + dev_err(asd->isp->dev, "create pipe failed %d.\n", ret); + return ret; + } + + ret = __create_streams(asd); + if (ret) { + dev_warn(asd->isp->dev, "create stream failed %d.\n", ret); + __destroy_pipes(asd, true); + return ret; + } + + return 0; }

int atomisp_css_update_stream(struct atomisp_sub_device *asd) diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c index b7dda4b96d49..06bb1c87c814 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -2243,8 +2243,17 @@ int __atomisp_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) dev_err(isp->dev, "atomisp_reset"); atomisp_reset(isp); for (i = 0; i < isp->num_of_streams; i++) { - if (recreate_streams[i]) - atomisp_create_pipes_stream(&isp->asd[i]); + if (recreate_streams[i]) { + int ret2; + + ret2 = atomisp_create_pipes_stream(&isp->asd[i]); + if (ret2) { + dev_err(isp->dev, "%s error re-creating streams: %d\n", + __func__, ret2); + if (!ret) + ret = ret2; + } + } } isp->isp_timeout = false; }