From: Sudip Mukherjee <sudipm.mukher...@gmail.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit ff6b8090e26ef7649ef0cc6b42389141ef48b0cf upstream.

we have already allocated memory for nbd_dev, but we were not
releasing that memory and just returning the error value.

Signed-off-by: Sudip Mukherjee <su...@vectorindia.org>
Acked-by: Paul Clements <paul.cleme...@steeleye.com>
Signed-off-by: Markus Pargmann <m...@pengutronix.de>
Signed-off-by: Jiri Slaby <jsl...@suse.cz>
---
 drivers/block/nbd.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 2dc3b5153f0d..b71f4397bcfb 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -814,10 +814,6 @@ static int __init nbd_init(void)
                return -EINVAL;
        }
 
-       nbd_dev = kcalloc(nbds_max, sizeof(*nbd_dev), GFP_KERNEL);
-       if (!nbd_dev)
-               return -ENOMEM;
-
        part_shift = 0;
        if (max_part > 0) {
                part_shift = fls(max_part);
@@ -839,6 +835,10 @@ static int __init nbd_init(void)
        if (nbds_max > 1UL << (MINORBITS - part_shift))
                return -EINVAL;
 
+       nbd_dev = kcalloc(nbds_max, sizeof(*nbd_dev), GFP_KERNEL);
+       if (!nbd_dev)
+               return -ENOMEM;
+
        for (i = 0; i < nbds_max; i++) {
                struct gendisk *disk = alloc_disk(1 << part_shift);
                if (!disk)
-- 
2.3.5

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