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generic: fitblk: close block device if mapping image failed

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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>
This commit is contained in:
Daniel Golle 2025-03-28 15:40:28 +00:00
parent 21cece29e9
commit 2b9c81d1cb
1 changed files with 2 additions and 2 deletions
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4
target/linux/generic/pending-6.6/510-block-add-uImage.FIT-subimage-block-driver.patch
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@ -656,7 +656,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+ add_fit_subimage_device(bdev, slot++, start_sect, nr_sects, true);
+ }
+
+ if (!found || !slot)
+ if (!slot)
+ goto out_bootconf;
+
+ dev_info(dev, "mapped %u uImage.FIT filesystem sub-image%s as /dev/fit%s%u%s\n",
@ -675,7 +675,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+ kfree(bootconf);
+ kfree(fit);
+out_blkdev:
+ if (!found || ret)
+ if (!slot)
+ blkdev_put(bdev, &_fitblk_claim_ptr);
+
+ return ret;