diff options
| author | Giovanni Cabiddu <giovanni.cabiddu@intel.com> | 2023-11-28 19:17:25 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-12-08 11:59:44 +0800 |
| commit | a643212c9f28d09225c3792c316bc4aaf6be4a68 (patch) | |
| tree | fd62624181fb856ca60ebb85127931a0c37ffbd3 /drivers/crypto | |
| parent | 487caa8d5ef9a9a27b092c5790d529a7a0c24f8b (diff) | |
| download | linux-a643212c9f28d09225c3792c316bc4aaf6be4a68.tar.gz | |
crypto: qat - add NULL pointer check
There is a possibility that the function adf_devmgr_pci_to_accel_dev()
might return a NULL pointer.
Add a NULL pointer check in the function rp2srv_show().
Fixes: dbc8876dd873 ("crypto: qat - add rp2svc sysfs attribute")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Ahsan Atta <ahsan.atta@intel.com>
Reviewed-by: David Guckian <david.guckian@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c index 6f0b3629da13d..d450dad32c9e4 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c +++ b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c @@ -215,6 +215,9 @@ static ssize_t rp2srv_show(struct device *dev, struct device_attribute *attr, enum adf_cfg_service_type svc; accel_dev = adf_devmgr_pci_to_accel_dev(to_pci_dev(dev)); + if (!accel_dev) + return -EINVAL; + hw_data = GET_HW_DATA(accel_dev); if (accel_dev->sysfs.ring_num == UNSET_RING_NUM) |