From b4f608d8e05feab4edc8ce2547ca0dcd72f0fb82 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Sat, 10 Nov 2007 01:31:19 +0000
Subject: readlink: realpath requires PATH_MAX, bb_common_bufsiz1 can be too
 small umount: don't actually need char[2 * PATH_MAX] for realpath

---
 util-linux/umount.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'util-linux')

diff --git a/util-linux/umount.c b/util-linux/umount.c
index 17d88b3..7c1b813 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -25,7 +25,7 @@ int umount_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int umount_main(int argc, char **argv)
 {
 	int doForce;
-	char path[2*PATH_MAX];
+	char path[PATH_MAX + 2];
 	struct mntent me;
 	FILE *fp;
 	char *fstype = 0;
@@ -89,7 +89,7 @@ int umount_main(int argc, char **argv)
 
 		// Do we already know what to umount this time through the loop?
 		if (m)
-			safe_strncpy(path, m->dir, PATH_MAX);
+			safe_strncpy(path, m->dir, sizeof(path));
 		// For umount -a, end of mtab means time to exit.
 		else if (opt & OPT_ALL)
 			break;
-- 
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