This is a note to let you know that I've just added the patch titled
crypto: qat - prevent underflow in rp2srv_store()
to the 6.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
crypto-qat-prevent-underflow-in-rp2srv_store.patch
and it can be found in the queue-6.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 35d6df5eabc3bc7c061d4349e3a724f73662385b
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Tue Oct 31 11:58:32 2023 +0300
crypto: qat - prevent underflow in rp2srv_store()
[ Upstream commit e53c741303a59ee1682e11f61b7772863e02526d ]
The "ring" variable has an upper bounds check but nothing checks for
negatives. This code uses kstrtouint() already and it was obviously
intended to be declared as unsigned int. Make it so.
Fixes: dbc8876dd873 ("crypto: qat - add rp2svc sysfs attribute")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c
index ddffc98119c6..6f0b3629da13 100644
--- a/drivers/crypto/intel/qat/qat_common/adf_sysfs.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_sysfs.c
@@ -242,7 +242,8 @@ static ssize_t rp2srv_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct adf_accel_dev *accel_dev;
- int ring, num_rings, ret;
+ int num_rings, ret;
+ unsigned int ring;
accel_dev = adf_devmgr_pci_to_accel_dev(to_pci_dev(dev));
if (!accel_dev)
