f2fs: compress: fix to print raw data size in error path of lz4 decompression

BugLink: https://bugs.launchpad.net/bugs/1969110
[ Upstream commit d284af43f703760e261b1601378a0c13a19d5f1f ]

In lz4_decompress_pages(), if size of decompressed data is not equal to
expected one, we should print the size rather than size of target buffer
for decompressed data, fix it.

Signed-off-by: Chao Yu <chao.yu@oppo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 1a55c48bba8161b417efa3a2580e56602d161d9d)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 58d255d3a518ac436e1d8dfa1a4b25d809b5a95f..6adf0472595462c2bf3612603c6aec2b77872821 100644 (file)
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -312,10 +312,9 @@ static int lz4_decompress_pages(struct decompress_io_ctx *dic)
        }
 
        if (ret != PAGE_SIZE << dic->log_cluster_size) {
-               printk_ratelimited("%sF2FS-fs (%s): lz4 invalid rlen:%zu, "
+               printk_ratelimited("%sF2FS-fs (%s): lz4 invalid ret:%d, "
                                        "expected:%lu\n", KERN_ERR,
-                                       F2FS_I_SB(dic->inode)->sb->s_id,
-                                       dic->rlen,
+                                       F2FS_I_SB(dic->inode)->sb->s_id, ret,
                                        PAGE_SIZE << dic->log_cluster_size);
                return -EIO;
        }