373a4cd737
As reported by Dan, isert_create_device_ib_res() failure within
isert_device_get() can potentially return a postive value,
resulting in ERR_PTR() triggering a NULL pointer dereference.
Caught by the static checker:
drivers/infiniband/ulp/isert/ib_isert.c:423 isert_device_get()
error: passing non negative 1 to ERR_PTR
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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