Konstantin Belousov 0e9bd89d7d Devfs replaces file ops vector with devfs-specific one in devfs_open(), ... before the struct file is fully initialized in vn_open(), in particular, fp->f_vnode is NULL. Other thread calling file operation before f_vnode is set results in NULL pointer dereference in devvn_refthread(). Initialize f_vnode before calling d_fdopen() cdevsw method, that might set file ops too. Reported and tested by: Chris Timmons <cwt networks cwu edu> (RELENG_7 version) MFC after: 3 days		2009-05-15 19:23:05 +00:00
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devfs_devs.c
devfs_int.h
devfs_rule.c
devfs_vfsops.c
devfs_vnops.c	Devfs replaces file ops vector with devfs-specific one in devfs_open(),	2009-05-15 19:23:05 +00:00
devfs.h