From: Phillip Lougher <phillip@squashfs.org.uk>
Date: Sun, 10 Nov 2013 00:02:29 +0000 (+0000)
Subject: Squashfs: Check stream is not NULL in decompressor_multi.c
X-Git-Tag: firefly_0821_release~4090^2~60
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=6a1e8fd1e4dc7c53d67f4091bea0cfd2139901d0;p=firefly-linux-kernel-4.4.55.git

Squashfs: Check stream is not NULL in decompressor_multi.c

Fix static checker complaint that stream is not checked in
squashfs_decompressor_destroy().

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Reviewed-by: Minchan Kim <minchan@kernel.org>
---

diff --git a/fs/squashfs/decompressor_multi.c b/fs/squashfs/decompressor_multi.c
index ae54675a3526..d6008a636479 100644
--- a/fs/squashfs/decompressor_multi.c
+++ b/fs/squashfs/decompressor_multi.c
@@ -119,11 +119,10 @@ void squashfs_decompressor_destroy(struct squashfs_sb_info *msblk)
 			kfree(decomp_strm);
 			stream->avail_decomp--;
 		}
+		WARN_ON(stream->avail_decomp);
+		kfree(stream->comp_opts);
+		kfree(stream);
 	}
-
-	WARN_ON(stream->avail_decomp);
-	kfree(stream->comp_opts);
-	kfree(stream);
 }