Merge ../torvalds-2.6/

1 files changed, 9 insertions, 6 deletions

diff --git a/arch/sparc64/solaris/ioctl.c b/arch/sparc64/solaris/ioctl.c
index cac0a1cf0050..be0a054e3ed6 100644
--- a/arch/sparc64/solaris/ioctl.c
+++ b/arch/sparc64/solaris/ioctl.c
@@ -24,6 +24,7 @@
 #include <linux/netdevice.h>
 #include <linux/mtio.h>
 #include <linux/time.h>
+#include <linux/rcupdate.h>
 #include <linux/compat.h>
 
 #include <net/sock.h>
@@ -293,16 +294,18 @@ static struct module_info {
 static inline int solaris_sockmod(unsigned int fd, unsigned int cmd, u32 arg)
 {
 	struct inode *ino;
+	struct fdtable *fdt;
 	/* I wonder which of these tests are superfluous... --patrik */
-	spin_lock(&current->files->file_lock);
-	if (! current->files->fd[fd] ||
-	    ! current->files->fd[fd]->f_dentry ||
-	    ! (ino = current->files->fd[fd]->f_dentry->d_inode) ||
+	rcu_read_lock();
+	fdt = files_fdtable(current->files);
+	if (! fdt->fd[fd] ||
+	    ! fdt->fd[fd]->f_dentry ||
+	    ! (ino = fdt->fd[fd]->f_dentry->d_inode) ||
 	    ! S_ISSOCK(ino->i_mode)) {
-		spin_unlock(&current->files->file_lock);
+		rcu_read_unlock();
 		return TBADF;
 	}
-	spin_unlock(&current->files->file_lock);
+	rcu_read_unlock();
 	
 	switch (cmd & 0xff) {
 	case 109: /* SI_SOCKPARAMS */