floppy: use warning macros

Convert assertions to use WARN().  There are several error checks in the
code for things that should never happen.  Convert them to standard
warnings so kerneloops.org will see them.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 3fdceda8573548969d40df3d1b3ed8801a027279..82c30f9f81ca29a101d342e8d8554e98541fa3a2 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2542,10 +2542,8 @@ static int make_raw_rw_request(void)
        int tracksize;
        int ssize;
 
-       if (max_buffer_sectors == 0) {
-               pr_info("VFS: Block I/O scheduled on unopened device\n");
+       if (WARN(max_buffer_sectors == 0, "VFS: Block I/O scheduled on unopened device\n"))
                return 0;
-       }
 
        set_fdc((long)current_req->rq_disk->private_data);
 
@@ -2895,19 +2893,16 @@ static void process_fd_request(void)
 
 static void do_fd_request(struct request_queue *q)
 {
-       if (max_buffer_sectors == 0) {
-               pr_info("VFS: %s called on non-open device\n", __func__);
+       if (WARN(max_buffer_sectors == 0,
+                "VFS: %s called on non-open device\n", __func__))
                return;
-       }
 
-       if (atomic_read(&usage_count) == 0) {
-               pr_info("warning: usage count=0, current_req=%p exiting\n",
-                       current_req);
-               pr_info("sect=%ld type=%x flags=%x\n",
-                       (long)blk_rq_pos(current_req), current_req->cmd_type,
-                       current_req->cmd_flags);
+       if (WARN(atomic_read(&usage_count) == 0,
+                "warning: usage count=0, current_req=%p sect=%ld type=%x flags=%x\n",
+                current_req, (long)blk_rq_pos(current_req), current_req->cmd_type,
+                current_req->cmd_flags))
                return;
-       }
+
        if (test_bit(0, &fdc_busy)) {
                /* fdc busy, this new request will be treated when the
                   current one is done */
@@ -3817,10 +3812,10 @@ static int floppy_revalidate(struct gendisk *disk)
        if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
            test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
            test_bit(drive, &fake_change) || NO_GEOM) {
-               if (atomic_read(&usage_count) == 0) {
-                       pr_info("VFS: revalidate called on non-open device.\n");
+               if (WARN(atomic_read(&usage_count) == 0,
+                        "VFS: revalidate called on non-open device.\n"))
                        return -EFAULT;
-               }
+
                lock_fdc(drive, false);
                cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
                      test_bit(FD_VERIFY_BIT, &UDRS->flags));