From: Sina Abroshan <sina.abroshan@gmail.com>
Date: Sun, 15 Feb 2026 08:34:17 +0000 (+0330)
Subject: lsblk: improve error reporting for invalid device paths
X-Git-Tag: v2.43-devel~73
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae8bbd3630ab9f111b9f0f09a6dd8407f8745e94;p=thirdparty%2Futil-linux.git

lsblk: improve error reporting for invalid device paths

Differentiate stat() failures from non-block-device cases,
so users get accurate errno-based error messages.

Signed-off-by: Sina Abroshan <sina.abroshan@gmail.com>
---

diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c
index 3d2bc21a6..6a8769bc7 100644
--- a/misc-utils/lsblk.c
+++ b/misc-utils/lsblk.c
@@ -1797,7 +1797,12 @@ static int __process_one_device(struct lsblk_devtree *tr, char *devname, dev_t d
 
 		DBG(DEV, ul_debug("%s: reading alone device", devname));
 
-		if (stat(devname, &st) || !S_ISBLK(st.st_mode)) {
+		if (stat(devname, &st) != 0) {
+			warn("%s", devname);
+			goto leave;
+		}
+
+		if (!S_ISBLK(st.st_mode)) {
 			warnx(_("%s: not a block device"), devname);
 			goto leave;
 		}