From: Tejun Heo <[EMAIL PROTECTED]> lookup_one_len_kern() should be called with the parent's i_mutex locked. Fix it.
Spotted by Eric W. Biederman. Signed-off-by: Tejun Heo <[EMAIL PROTECTED]> Cc: Eric W. Biederman <[EMAIL PROTECTED]> Cc: Cornelia Huck <[EMAIL PROTECTED]> Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]> --- fs/sysfs/dir.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index a0da2b0..54ca4bc 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -130,8 +130,10 @@ struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd) /* look it up */ parent_dentry = dentry; + mutex_lock(&parent_dentry->d_inode->i_mutex); dentry = lookup_one_len_kern(cur->s_name, parent_dentry, strlen(cur->s_name)); + mutex_unlock(&parent_dentry->d_inode->i_mutex); dput(parent_dentry); if (IS_ERR(dentry)) { -- 1.5.3.4 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/