Commit 6e12ea46 authored Jun 01, 2010 by Andi Kleen Committed by Greg Kroah-Hartman Aug 10, 2010

USB-BKL: Remove lock_kernel in usbfs update_sb()



The code this is attempting to lock against does not use the BKL,
so it's not needed.

Most likely this code is still broken/racy (Al Viro also thinks so),
but removing the BKL should not make it worse than before.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 16f76a76

drivers/usb/core/inode.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -265,13 +265,9 @@ static int remount(struct super_block sb, int flags, char *data)
		return -EINVAL;
		}

		lock_kernel();

		if (usbfs_mount && usbfs_mount->mnt_sb)
		update_sb(usbfs_mount->mnt_sb);

		unlock_kernel();

		return 0;
		}