From: Karel Zak <kzak@redhat.com>
Date: Mon, 9 Mar 2026 12:56:37 +0000 (+0100)
Subject: chmem: check ul_path_read_buffer() return value
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1371614c704fb1103336d8e6bb0f215fa60e4ee0;p=thirdparty%2Futil-linux.git

chmem: check ul_path_read_buffer() return value

Reported-by: Coverity Scan
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/chmem.c b/sys-utils/chmem.c
index dcec888d1..52e895315 100644
--- a/sys-utils/chmem.c
+++ b/sys-utils/chmem.c
@@ -509,7 +509,8 @@ static void read_info(struct chmem_desc *desc)
 	desc->ndirs = scandir(_PATH_SYS_MEMORY, &desc->dirs, filter, versionsort);
 	if (desc->ndirs <= 0)
 		goto fail;
-	ul_path_read_buffer(desc->sysmem, line, sizeof(line), "block_size_bytes");
+	if (ul_path_read_buffer(desc->sysmem, line, sizeof(line), "block_size_bytes") < 0)
+		goto fail;
 
 	errno = 0;
 	desc->block_size = strtoumax(line, NULL, 16);