linux-kernel - [PATCH 4.18 110/235] Tools: hv: Fix a bug in the key delete code

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Message-Id: <20180924113116.796297129@linuxfoundation.org>
Date:   Mon, 24 Sep 2018 13:51:36 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, "K. Y. Srinivasan" <kys@...rosoft.com>,
        David Binderman <dcb314@...mail.com>,
        Michael Kelley <mikelley@...rosoft.com>
Subject: [PATCH 4.18 110/235] Tools: hv: Fix a bug in the key delete code

4.18-stable 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>
Cc: <stable@...r.kernel.org>
Reviewed-by: Michael Kelley <mikelley@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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
@@ -286,7 +286,7 @@ 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;