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[3.19.y-ckt,011/128] crypto: qat - don't use userspace pointer

Message ID 1450287568-19808-12-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa Dec. 16, 2015, 5:37 p.m. UTC 
3.19.8-ckt12 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tadeusz Struk <tadeusz.struk@intel.com>

commit 176155dac13f528e0a58c14dc322623219365d91 upstream.

Bugfix - don't dereference userspace pointer.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/crypto/qat/qat_common/adf_ctl_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
index 7ee93f8..54e9e0b 100644
--- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c
+++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
@@ -194,7 +194,7 @@  static int adf_copy_key_value_data(struct adf_accel_dev *accel_dev,
 			goto out_err;
 		}
 
-		params_head = section_head->params;
+		params_head = section.params;
 
 		while (params_head) {
 			if (copy_from_user(&key_val, (void __user *)params_head,