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9e9f6875bc
In case a broken fit image is present on flash the fitblk driver would not map any /dev/fit* devices, but also not always close the block device the image resides on. In case of ubiblock devices this is fatal as one then cannot remove the ubiblock device (-EBUSY), and hence cannot replace the broken image. Always close the block device in case no sub-image was mapped. Signed-off-by: Daniel Golle <daniel@makrotopia.org> (cherry picked from commit 2b9c81d1cbc65eeb9304b7274058418efa8a9c78)