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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-01-27 18:08:22 +0530
committerMarkus Pargmann <mpa@pengutronix.de>2015-03-05 08:51:03 +0100
commitff6b8090e26ef7649ef0cc6b42389141ef48b0cf (patch)
treed95d23a2b1877e052c781eaefa9658c0b4e10774
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
downloadlinux-ff6b8090e26ef7649ef0cc6b42389141ef48b0cf.tar.bz2
nbd: fix possible memory leak
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 <sudip@vectorindia.org> Acked-by: Paul Clements <Paul.Clements@SteelEye.com> Cc: <stable@vger.kernel.org> Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
-rw-r--r--drivers/block/nbd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 4bc2a5cb9935..a98c41f72c63 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -803,10 +803,6 @@ 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);
@@ -828,6 +824,10 @@ 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)