6.7-stable review patch. If anyone has any objections, please let me know.
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From: Giovanni Cabiddu giovanni.cabiddu@intel.com
[ Upstream commit a643212c9f28d09225c3792c316bc4aaf6be4a68 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/intel/qat/qat_common/adf_sysfs.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c index 6f0b3629da13..d450dad32c9e 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)