diff options
| author | Tadeusz Struk <tadeusz.struk@intel.com> | 2015-08-22 18:29:30 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-08-24 17:07:44 +0300 |
| commit | 55e8dba1acc2e3e9d77226c3b08b25a02a0e3a3a (patch) | |
| tree | 75a04d98fa6c4b54c7fd7ffcc5425419cbb9b0a2 /drivers/crypto | |
| parent | 73613a8159ddbf5a9ead0c03174458fa8210bdf7 (diff) | |
| download | linux-55e8dba1acc2e3e9d77226c3b08b25a02a0e3a3a.tar.xz | |
crypto: qat - silence a static checker warning
Add range check for ring number.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_transport.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c index d5d81985cd4b..3865ae8d96d9 100644 --- a/drivers/crypto/qat/qat_common/adf_transport.c +++ b/drivers/crypto/qat/qat_common/adf_transport.c @@ -264,6 +264,10 @@ int adf_create_ring(struct adf_accel_dev *accel_dev, const char *section, dev_err(&GET_DEV(accel_dev), "Can't get ring number\n"); return -EFAULT; } + if (ring_num >= ADF_ETR_MAX_RINGS_PER_BANK) { + dev_err(&GET_DEV(accel_dev), "Invalid ring number\n"); + return -EFAULT; + } bank = &transport_data->banks[bank_num]; if (adf_reserve_ring(bank, ring_num)) { |