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authorDavid Sterba <dsterba@suse.com>2022-11-07 17:30:21 +0100
committerDavid Sterba <dsterba@suse.com>2022-12-05 18:00:55 +0100
commit3e09b5b2293f21e6e28929b6bbb73833678bfdd1 (patch)
tree42a3de25723bc151c4903d046e1f25147acd017f /fs/btrfs/zstd.c
parentad3daf1c3f5bcbba49a302d8d0e46467556bf6f3 (diff)
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btrfs: constify input buffer parameter in compression code
The input buffers passed down to compression must never be changed, switch type to u8 as it's a raw byte buffer and use const. Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/zstd.c')
-rw-r--r--fs/btrfs/zstd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c
index 4575b3703e74..e34f1ab99d56 100644
--- a/fs/btrfs/zstd.c
+++ b/fs/btrfs/zstd.c
@@ -616,7 +616,7 @@ done:
return ret;
}
-int zstd_decompress(struct list_head *ws, unsigned char *data_in,
+int zstd_decompress(struct list_head *ws, const u8 *data_in,
struct page *dest_page, unsigned long start_byte, size_t srclen,
size_t destlen)
{