From: Chandan Babu R <chandan.babu@oracle.com>
Date: Mon, 6 Nov 2023 13:10:35 +0000 (+0530)
Subject: mdrestore: Fix logic used to check if target device is large enough
X-Git-Tag: v6.6.0~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d3650b23a3a79a03c1e4968593ec695b6d575ff;p=thirdparty%2Fxfsprogs-dev.git

mdrestore: Fix logic used to check if target device is large enough

The device size verification code should be writing XFS_MAX_SECTORSIZE bytes
to the end of the device rather than "sizeof(char *) * XFS_MAX_SECTORSIZE"
bytes.

Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
---

diff --git a/mdrestore/xfs_mdrestore.c b/mdrestore/xfs_mdrestore.c
index 7c1a66c40..333282ed2 100644
--- a/mdrestore/xfs_mdrestore.c
+++ b/mdrestore/xfs_mdrestore.c
@@ -115,7 +115,7 @@ perform_restore(
 	} else  {
 		/* ensure device is sufficiently large enough */
 
-		char		*lb[XFS_MAX_SECTORSIZE] = { NULL };
+		char		lb[XFS_MAX_SECTORSIZE] = { 0 };
 		off64_t		off;
 
 		off = sb.sb_dblocks * sb.sb_blocksize - sizeof(lb);