vsprintf: use bd_partno in bdev_name

No need to go through the hd_struct to find the partition number.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index afb9521..14c9a6a 100644 (file)
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -940,13 +940,13 @@ char *bdev_name(char *buf, char *end, struct block_device *bdev,
 
        hd = bdev->bd_disk;
        buf = string(buf, end, hd->disk_name, spec);
-       if (bdev->bd_part->partno) {
+       if (bdev->bd_partno) {
                if (isdigit(hd->disk_name[strlen(hd->disk_name)-1])) {
                        if (buf < end)
                                *buf = 'p';
                        buf++;
                }
-               buf = number(buf, end, bdev->bd_part->partno, spec);
+               buf = number(buf, end, bdev->bd_partno, spec);
        }
        return buf;
 }