From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 17 Sep 2001 14:38:06 +0000 (-0400)
Subject: mke2fs.c (zap_sector): Allocate sufficient space for zero-filled
X-Git-Url: https://git.whamcloud.com/gitweb?a=commitdiff_plain;h=3f85f65c98183c3871e24f285e5b3e1e97afd9f5;p=tools%2Fe2fsprogs.git

mke2fs.c (zap_sector): Allocate sufficient space for zero-filled
	buffer.
---

diff --git a/misc/ChangeLog b/misc/ChangeLog
index d1986b0..c515f4f 100644
--- a/misc/ChangeLog
+++ b/misc/ChangeLog
@@ -1,3 +1,8 @@
+2001-09-13  Theodore Tso  <tytso@valinux.com>
+
+	* mke2fs.c (zap_sector): Allocate sufficient space for 
+		zero-filled buffer.
+
 2001-09-02  Theodore Tso  <tytso@thunk.org>
 
 	* Release of E2fsprogs 1.24a
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index bb5c249..1d9f7ff 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -550,14 +550,16 @@ static void reserve_inodes(ext2_filsys fs)
 
 static void zap_sector(ext2_filsys fs, int sect, int nsect)
 {
-	char buf[512];
+	char *buf;
 	int retval;
 
-	memset(buf, 0, 512);
+	buf = malloc(512*nsect);
+	memset(buf, 0, 512*nsect);
 	
 	io_channel_set_blksize(fs->io, 512);
 	retval = io_channel_write_blk(fs->io, sect, -512*nsect, buf);
 	io_channel_set_blksize(fs->io, fs->blocksize);
+	free(buf);
 	if (retval)
 		printf(_("Warning: could not erase sector %d: %s\n"), sect,
 		       error_message(retval));