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| author | Sudip Mukherjee <sudipm.mukherjee@gmail.com> | 2015-01-27 18:08:22 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-04-19 10:10:47 +0200 |
| commit | ef6b5eaddd79fd6515c4eaf7506839bd9c60921c (patch) | |
| tree | 674fc21e2a4fe6058a6eaf845a436fee78435b87 /drivers/block | |
| parent | a0688f524c6dcd43e5dff5f57f46e962e4c44548 (diff) | |
| download | lwn-ef6b5eaddd79fd6515c4eaf7506839bd9c60921c.tar.gz lwn-ef6b5eaddd79fd6515c4eaf7506839bd9c60921c.zip | |
nbd: fix possible memory leak
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 <sudip@vectorindia.org>
Acked-by: Paul Clements <Paul.Clements@SteelEye.com>
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/nbd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index cf1576d54363..a5c987ae665d 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -815,10 +815,6 @@ 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); @@ -840,6 +836,10 @@ 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) |