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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-18 08:09:40 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-18 08:09:40 -0800
commitba4b60e85d6c5fc2242fd24e131a47fb922e5d89 (patch)
tree6be918ce3924d0677bc1029f7d1255fef48a8f85 /fs/btrfs/compression.c
parent5dba4c56dfa660a85dc8e897990948cdec3734bf (diff)
parent6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (diff)
Merge 3.14-rc3 into char-misc-next
We need the fixes here for future mei and other patches. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/compression.c')
-rw-r--r--fs/btrfs/compression.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index e2600cdb6c2..b01fb6c527e 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1010,6 +1010,8 @@ int btrfs_decompress_buf2page(char *buf, unsigned long buf_start,
bytes = min(bytes, working_bytes);
kaddr = kmap_atomic(page_out);
memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
+ if (*pg_index == (vcnt - 1) && *pg_offset == 0)
+ memset(kaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
kunmap_atomic(kaddr);
flush_dcache_page(page_out);