From: Thomas Weißschuh <thomas@t-8ch.de>
Date: Sun, 24 Dec 2023 11:50:02 +0000 (+0100)
Subject: libmount: (veritydev) use asprintf to build string
X-Git-Tag: v2.40-rc1~84^2~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=745d0f42777e5f03afa37b0da4865dccceb95055;p=thirdparty%2Futil-linux.git

libmount: (veritydev) use asprintf to build string

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
---

diff --git a/libmount/src/hook_veritydev.c b/libmount/src/hook_veritydev.c
index e4805a4e73..6a9e64469a 100644
--- a/libmount/src/hook_veritydev.c
+++ b/libmount/src/hook_veritydev.c
@@ -554,15 +554,10 @@ static int setup_veritydev(	struct libmnt_context *cxt,
 	}
 
 	if (!rc) {
-		hsd->devname = calloc(strlen(mapper_device)
-					+ sizeof(_PATH_DEV_MAPPER) + 2, sizeof(char));
-		if (!hsd->devname)
+		if (asprintf(&hsd->devname, _PATH_DEV_MAPPER "/%s", mapper_device) == -1)
 			rc = -ENOMEM;
-		else {
-			strcat(hsd->devname, _PATH_DEV_MAPPER "/");
-			strcat(hsd->devname, mapper_device);
+		else
 			rc = mnt_fs_set_source(cxt->fs, hsd->devname);
-		}
 	}
 
 done: