From: Karel Zak <kzak@redhat.com>
Date: Mon, 10 Jan 2022 15:32:44 +0000 (+0100)
Subject: blkid: don't print all devices if only garbage specified
X-Git-Tag: v2.38-rc1~65
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9e882685a3db3fd5e0870e7b94a4ea25ddc199c7;p=thirdparty%2Futil-linux.git

blkid: don't print all devices if only garbage specified

There is small regression. The old version (before
64cfe6ac37631a6347bd4005c72dd2d37e737f5e) returns nothing when

  # blkid /dontexist

specified on command line.

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

diff --git a/misc-utils/blkid.c b/misc-utils/blkid.c
index 41826e6dc4..d79527e3fc 100644
--- a/misc-utils/blkid.c
+++ b/misc-utils/blkid.c
@@ -861,6 +861,12 @@ int main(int argc, char **argv)
 
 			devices[numdev++] = dev;
 		}
+
+		if (!numdev) {
+			/* only unsupported devices specified */
+			err = BLKID_EXIT_NOTFOUND;
+			goto exit;
+		}
 	}
 
 	/* convert LABEL/UUID lookup to evaluate request */