linux-kernel - [PATCH 3.16 234/328] Tools: hv: Fix a bug in the key delete code

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Message-ID: <lsq.1544392233.880440265@decadent.org.uk>
Date:   Sun, 09 Dec 2018 21:50:33 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "David Binderman" <dcb314@...mail.com>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        "Michael Kelley" <mikelley@...rosoft.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>
Subject: [PATCH 3.16 234/328] Tools: hv: Fix a bug in the key delete code

3.16.62-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: "K. Y. Srinivasan" <kys@...rosoft.com>

commit 86503bd35dec0ce363e9fdbf5299927422ed3899 upstream.

Fix a bug in the key delete code - the num_records range
from 0 to num_records-1.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Reported-by: David Binderman <dcb314@...mail.com>
Reviewed-by: Michael Kelley <mikelley@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 tools/hv/hv_kvp_daemon.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -289,7 +289,7 @@ static int kvp_key_delete(int pool, cons
 		 * Found a match; just move the remaining
 		 * entries up.
 		 */
-		if (i == num_records) {
+		if (i == (num_records - 1)) {
 			kvp_file_info[pool].num_records--;
 			kvp_update_file(pool);
 			return 0;