usb: amd5536udc: fixed shared interrupt bug and warning oops

[safe/jmp/linux-2.6] / drivers / block / loop.c

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 801f4ab..bd112c8 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -61,7 +61,6 @@
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
 #include <linux/loop.h>
@@ -476,7 +475,7 @@ static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
        pos = ((loff_t) bio->bi_sector << 9) + lo->lo_offset;
 
        if (bio_rw(bio) == WRITE) {
-               int barrier = bio_barrier(bio);
+               bool barrier = bio_rw_flagged(bio, BIO_RW_BARRIER);
                struct file *file = lo->lo_backing_file;
 
                if (barrier) {
@@ -950,7 +949,7 @@ static int loop_clr_fd(struct loop_device *lo, struct block_device *bdev)
        lo->lo_state = Lo_unbound;
        /* This is safe: open() is still holding a reference. */
        module_put(THIS_MODULE);
-       if (max_part > 0)
+       if (max_part > 0 && bdev)
                ioctl_by_bdev(bdev, BLKRRPART, 0);
        mutex_unlock(&lo->lo_ctl_mutex);
        /*
@@ -1439,7 +1438,7 @@ out_unlocked:
        return 0;
 }
 
-static struct block_device_operations lo_fops = {
+static const struct block_device_operations lo_fops = {
        .owner =        THIS_MODULE,
        .open =         lo_open,
        .release =      lo_release,