libnvdimm, btt: check memory allocation failure
authorChristophe Jaillet <christophe.jaillet@wanadoo.fr>
Sun, 27 Aug 2017 06:30:34 +0000 (08:30 +0200)
committerDan Williams <dan.j.williams@intel.com>
Wed, 30 Aug 2017 14:23:44 +0000 (07:23 -0700)
commited36b4dba54a421ce5551638f6a9790b2c2116b1
treeba708389814aa662c54bae7d5cdbe75c2c6f200e
parent02881768695da29772f6f9e0d857a8637c6b0e90
libnvdimm, btt: check memory allocation failure

Check memory allocation failures and return -ENOMEM in such cases, as
already done few lines below for another memory allocation.

This avoids NULL pointers dereference.

Cc: <stable@vger.kernel.org>
Fixes: 14e494542636 ("libnvdimm, btt: BTT updates for UEFI 2.7 format")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
drivers/nvdimm/btt.c