diff options
| author | Tadeusz Struk <tadeusz.struk@intel.com> | 2015-04-03 08:41:17 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-07 21:34:22 +0800 |
| commit | b4e97050248d9cbf84a5fd023eb20c253b7ab35b (patch) | |
| tree | 1bedf74072b77a25b54ec43275a7b10f46c279be | |
| parent | 8b5cf097c3b0940f2be0d20dd16178405ebb63ec (diff) | |
| download | linux-stable-b4e97050248d9cbf84a5fd023eb20c253b7ab35b.tar.gz linux-stable-b4e97050248d9cbf84a5fd023eb20c253b7ab35b.tar.bz2 linux-stable-b4e97050248d9cbf84a5fd023eb20c253b7ab35b.zip | |
crypto: qat - fix double release_firmware on error path
release_firmware was called twice on error path causing an Oops.
Reported-by: Ahsan Atta <ahsan.atta@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_accel_engine.c | 14 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_common_drv.h | 2 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_init.c | 9 |
3 files changed, 13 insertions, 12 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_engine.c b/drivers/crypto/qat/qat_common/adf_accel_engine.c index 97e8ea5d928c..7f8b66c915ed 100644 --- a/drivers/crypto/qat/qat_common/adf_accel_engine.c +++ b/drivers/crypto/qat/qat_common/adf_accel_engine.c @@ -78,19 +78,22 @@ int adf_ae_fw_load(struct adf_accel_dev *accel_dev) return 0; out_err: - release_firmware(loader_data->uof_fw); + adf_ae_fw_release(accel_dev); return -EFAULT; } -int adf_ae_fw_release(struct adf_accel_dev *accel_dev) +void adf_ae_fw_release(struct adf_accel_dev *accel_dev) { struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; - release_firmware(loader_data->uof_fw); qat_uclo_del_uof_obj(loader_data->fw_loader); qat_hal_deinit(loader_data->fw_loader); + + if (loader_data->uof_fw) + release_firmware(loader_data->uof_fw); + + loader_data->uof_fw = NULL; loader_data->fw_loader = NULL; - return 0; } int adf_ae_start(struct adf_accel_dev *accel_dev) @@ -165,6 +168,9 @@ int adf_ae_init(struct adf_accel_dev *accel_dev) int adf_ae_shutdown(struct adf_accel_dev *accel_dev) { + struct adf_fw_loader_data *loader_data = accel_dev->fw_loader; + + qat_hal_deinit(loader_data->fw_loader); kfree(accel_dev->fw_loader); accel_dev->fw_loader = NULL; return 0; diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h index a62e485c8786..0666ee6a3360 100644 --- a/drivers/crypto/qat/qat_common/adf_common_drv.h +++ b/drivers/crypto/qat/qat_common/adf_common_drv.h @@ -115,7 +115,7 @@ int adf_dev_restarted_notify(struct adf_accel_dev *accel_dev); int adf_ae_init(struct adf_accel_dev *accel_dev); int adf_ae_shutdown(struct adf_accel_dev *accel_dev); int adf_ae_fw_load(struct adf_accel_dev *accel_dev); -int adf_ae_fw_release(struct adf_accel_dev *accel_dev); +void adf_ae_fw_release(struct adf_accel_dev *accel_dev); int adf_ae_start(struct adf_accel_dev *accel_dev); int adf_ae_stop(struct adf_accel_dev *accel_dev); diff --git a/drivers/crypto/qat/qat_common/adf_init.c b/drivers/crypto/qat/qat_common/adf_init.c index da5793b34841..245f43237a2d 100644 --- a/drivers/crypto/qat/qat_common/adf_init.c +++ b/drivers/crypto/qat/qat_common/adf_init.c @@ -160,7 +160,6 @@ int adf_dev_init(struct adf_accel_dev *accel_dev) if (adf_ae_fw_load(accel_dev)) { dev_err(&GET_DEV(accel_dev), "Failed to load acceleration FW\n"); - adf_ae_fw_release(accel_dev); return -EFAULT; } set_bit(ADF_STATUS_AE_UCODE_LOADED, &accel_dev->status); @@ -359,12 +358,8 @@ void adf_dev_shutdown(struct adf_accel_dev *accel_dev) } if (test_bit(ADF_STATUS_AE_UCODE_LOADED, &accel_dev->status)) { - if (adf_ae_fw_release(accel_dev)) - dev_err(&GET_DEV(accel_dev), - "Failed to release the ucode\n"); - else - clear_bit(ADF_STATUS_AE_UCODE_LOADED, - &accel_dev->status); + adf_ae_fw_release(accel_dev); + clear_bit(ADF_STATUS_AE_UCODE_LOADED, &accel_dev->status); } if (test_bit(ADF_STATUS_AE_INITIALISED, &accel_dev->status)) { |