diff options
| author |   Kumar Amit Mehta <gmate.amit@gmail.com> | 2015-01-26 17:52:22 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-28 10:52:05 -0800 |
| commit | 1e3e981ad576eeb47ca1ca1743ff3b3d39e576a4 (patch) | |
| tree | 269490b66a0f709ad5afb524a909874fa0232a53 /drivers | |
| parent | staging: lustre: libcfs: nidstrings: Change type in printf format string (diff) | |
staging: lustre: lustre: obdclass: obd_mount.c: Fix NULL dereference
OBD_ALLOC_PTR(uuid) invokes kmalloc, which may return NULL. This fix
adds a check before dereferencing such pointer.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/lustre/lustre/obdclass/obd_mount.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c index 4f39cdee1b5c..3c0c9109cefd 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c @@ -376,6 +376,11 @@ int lustre_start_mgc(struct super_block *sb) /* Random uuid for MGC allows easier reconnects */ OBD_ALLOC_PTR(uuid); + if (!uuid) { + rc = -ENOMEM; + goto out_free; + } + ll_generate_random_uuid(uuidc); class_uuid_unparse(uuidc, uuid); |