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dae9aeda45
There are some cases where decompressed sectors can have padding zeros.
In kernel code, we have lines to address such situation:
/*
* btrfs_getblock is doing a zero on the tail of the page too,
* but this will cover anything missing from the decompressed
* data.
*/
if (bytes < destlen)
memset(kaddr+bytes, 0, destlen-bytes);
kunmap_local(kaddr);
But not in U-boot code, thus we have some reports of U-boot failed to
read compressed files in btrfs.
Fix it by doing the same thing of the kernel, for both inline and
regular compressed extents.
Reported-by: Matwey Kornilov <matwey.kornilov@gmail.com>
Link: https://bugzilla.suse.com/show_bug.cgi?id=1183717
Fixes:
|
||
|---|---|---|
| .. | ||
| common | ||
| crypto | ||
| kernel-shared | ||
| btrfs.c | ||
| btrfs.h | ||
| compat.h | ||
| compression.c | ||
| conv-funcs.h | ||
| ctree.c | ||
| ctree.h | ||
| dev.c | ||
| dir-item.c | ||
| disk-io.c | ||
| disk-io.h | ||
| extent-cache.c | ||
| extent-cache.h | ||
| extent-io.c | ||
| extent-io.h | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||
| root-tree.c | ||
| subvolume.c | ||
| volumes.c | ||
| volumes.h | ||