From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 24 Feb 2021 01:58:31 +0000 (-0500)
Subject: debugfs: fix uninitialized variable es in do_logdump()
X-Git-Tag: v1.46.2~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fc56dd147fe7f1a4427f8caed10866e0255eea3;p=thirdparty%2Fe2fsprogs.git

debugfs: fix uninitialized variable es in do_logdump()

Fixes: d96064e9821a ("debugfs: simplify the do_logdump() function")

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/debugfs/logdump.c b/debugfs/logdump.c
index b747a92eb..10d413ba7 100644
--- a/debugfs/logdump.c
+++ b/debugfs/logdump.c
@@ -159,6 +159,7 @@ void do_logdump(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
 		if (!inode_to_dump)
 			return;
 
+		es = current_fs->super;
 		inode_group = ((inode_to_dump - 1)
 			       / es->s_inodes_per_group);
 		group_offset = ((inode_to_dump - 1)
@@ -189,7 +190,10 @@ void do_logdump(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
 		}
 	}
 
-	if (block_to_dump != ANY_BLOCK && current_fs != NULL) {
+	if (block_to_dump != ANY_BLOCK) {
+		if (check_fs_open(argv[0]))
+			return;
+		es = current_fs->super;
 		group_to_dump = ((block_to_dump -
 				  es->s_first_data_block)
 				 / es->s_blocks_per_group);