diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dfu/dfu_sf.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/dfu/dfu_sf.c b/drivers/dfu/dfu_sf.c index 76b629a..8f8c425 100644 --- a/drivers/dfu/dfu_sf.c +++ b/drivers/dfu/dfu_sf.c @@ -87,7 +87,23 @@ static unsigned int dfu_polltimeout_sf(struct dfu_entity *dfu) static void dfu_free_entity_sf(struct dfu_entity *dfu) { - spi_flash_free(dfu->data.sf.dev); + /* + * In the DM case it is not necessary to free the SPI device. + * For the non-DM case we must ensure that the the SPI device is only + * freed once. + */ + if (!CONFIG_IS_ENABLED(DM_SPI_FLASH)) { + struct spi_flash *dev = dfu->data.sf.dev; + + if (!dev) + return; + dfu->data.sf.dev = NULL; + list_for_each_entry(dfu, &dfu_list, list) { + if (dfu->data.sf.dev == dev) + dfu->data.sf.dev = NULL; + } + spi_flash_free(dev); + } } static struct spi_flash *parse_dev(char *devstr) |