From: Tobias Stoeckmann <tobias@stoeckmann.org>
Date: Thu, 19 Feb 2026 17:13:25 +0000 (+0100)
Subject: dmesg: Register pager_close as exit handler
X-Git-Tag: v2.43-devel~53^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f644fa19e9fd4968819806c683c9ef219e2b6592;p=thirdparty%2Futil-linux.git

dmesg: Register pager_close as exit handler

Make sure that pager is properly closed even in case of err/errx calls
while pager is running.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
---

diff --git a/sys-utils/dmesg.c b/sys-utils/dmesg.c
index 854786554..b6f506034 100644
--- a/sys-utils/dmesg.c
+++ b/sys-utils/dmesg.c
@@ -1930,8 +1930,10 @@ int main(int argc, char *argv[])
 			errx(EXIT_FAILURE, _("only kmsg supports multi-line messages"));
 		n = prepare_buffer(&ctl, &buf);
 		if (n > 0) {
-			if (ctl.pager)
+			if (ctl.pager) {
 				pager_open();
+				atexit(pager_close);
+			}
 			print_buffer(&ctl, buf, n);
 			if (ctl.pager)
 				pager_close();