Am Montag, 19. März 2007 10:22 schrieb Adrian Bunk:
> void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent)
> {
> struct dentry * dentry = sd->s_dentry;
> + struct inode *inode;
>
> if (dentry) {
> spin_lock(&dcache_lock);
> spin_lock(&dentry->d_lock);
> if (!(d_unhashed(dentry) && dentry->d_inode)) {
> + inode = dentry->d_inode;
> + spin_lock(&inode->i_lock);
> ...
>
> <-- snip -->
>
> If (!dentry->d_inode), then it's a NULL dereference.
As far as I can tell, sysfs being a virtual filesystem, does not use
dentries without inodes associated.
Regards
Oliver
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