Dont touch fs_struct in drivers

The sound drivers and the pnpbios core test for current->root != NULL.  This
test seems to be unnecessary since we always have rootfs mounted before
initializing the drivers.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

sound/ppc/tumbler.c

@@ -1351,9 +1351,8 @@ int __init snd_pmac_tumbler_init(struct snd_pmac *chip)
 	char *chipname;
 
 #ifdef CONFIG_KMOD
-	if (current->fs->root)
-		request_module("i2c-powermac");
-#endif /* CONFIG_KMOD */	
+	request_module("i2c-powermac");
+#endif /* CONFIG_KMOD */
 
 	mix = kzalloc(sizeof(*mix), GFP_KERNEL);
 	if (! mix)