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nbd: fix possible memory leak

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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>
This commit is contained in:
Sudip Mukherjee 2015-01-27 18:08:22 +05:30 committed by Markus Pargmann
parent c517d838eb
commit ff6b8090e2
1 changed files with 4 additions and 4 deletions
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8
drivers/block/nbd.c
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@ -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)