From: Chao Yu <chao@kernel.org>
Date: Wed, 16 Mar 2022 10:20:00 +0000 (+0800)
Subject: f2fs: compress: fix to print raw data size in error path of lz4 decompression
X-Git-Tag: v5.18-rc1~176^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d284af43f703760e261b1601378a0c13a19d5f1f;p=thirdparty%2Fkernel%2Flinux.git

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

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>
---

diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index 67bac2792e571..11e99bf6286c7 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -314,10 +314,9 @@ 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;
 	}