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| author | Manish Katiyar <mkatiyar@gmail.com> | 2009-02-12 23:57:04 +0300 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2009-03-26 04:18:38 +0300 |
| commit | c16831b4cc9b0805adf8ca3001752a7ec10a17bf (patch) | |
| tree | 09e727619e61f9531c879e907eb37f0735cf6f79 /fs/ext2 | |
| parent | 620372a9ffc6f1239a4f379ff145de9e4b5d23ba (diff) | |
| download | linux-c16831b4cc9b0805adf8ca3001752a7ec10a17bf.tar.xz | |
ext2: Zero our b_size in ext2_quota_read()
ext2_quota_read() doesn't initialize tmp_bh.b_size before calling
ext2_get_block() where we access it. Since it is a local variable it
might contain some garbage. Make sure it is filled with reasonable
value before passing.
Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/ext2')
| -rw-r--r-- | fs/ext2/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 7c6e3606f0ec..f983225266dc 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1331,6 +1331,7 @@ static ssize_t ext2_quota_read(struct super_block *sb, int type, char *data, sb->s_blocksize - offset : toread; tmp_bh.b_state = 0; + tmp_bh.b_size = sb->s_blocksize; err = ext2_get_block(inode, blk, &tmp_bh, 0); if (err < 0) return err; |