crypto: qat/adf_aer - Replace GFP_ATOMIC with GFP_KERNEL in adf_dev_aer_schedule_reset()

adf_dev_aer_schedule_reset() is never called in atomic context, as it
calls wait_for_completion_timeout().

adf_dev_aer_schedule_reset() calls kzalloc() with GFP_ATOMIC,
which is not necessary.
GFP_ATOMIC can be replaced with GFP_KERNEL.

This is found by a static analysis tool named DCNS written by myself.
I also manually check the kernel code before reporting it.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c
index da8a2d3..9225d06 100644 (file)
--- a/drivers/crypto/qat/qat_common/adf_aer.c
+++ b/drivers/crypto/qat/qat_common/adf_aer.c
@@ -163,7 +163,7 @@ static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev,
                return 0;
 
        set_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
-       reset_data = kzalloc(sizeof(*reset_data), GFP_ATOMIC);
+       reset_data = kzalloc(sizeof(*reset_data), GFP_KERNEL);
        if (!reset_data)
                return -ENOMEM;
        reset_data->accel_dev = accel_dev;