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sysfs: fix condition check in sysfs_drop_dentry() 

The condition check doesn't make much sense as it basically always
succeeds.  This causes NULL dereferencing on certain cases.  It seems
that parentheses are put in the wrong place.  Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tejun Heo 2007-06-11 14:03:27 +09:00 committed by Greg Kroah-Hartman
parent dc351252b3
commit 6aa054aadf
1 changed files with 1 additions and 1 deletions
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2
fs/sysfs/inode.c
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@ -252,7 +252,7 @@ void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent)
if (dentry) {
spin_lock(&dcache_lock);
spin_lock(&dentry->d_lock);
if (!(d_unhashed(dentry) && dentry->d_inode)) {
if (!d_unhashed(dentry) && dentry->d_inode) {
inode = dentry->d_inode;
spin_lock(&inode->i_lock);
__iget(inode);