[PATCH 1/2] nfc: st95hf: drop nfcdev_free

[Daniel Mack]

This flag is unneccesary. We can just nullify `ddev' instead after we freed
it.

Signed-off-by: Daniel Mack <dan...@zonque.org>
---
 drivers/nfc/st95hf/core.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c
index a50a95cfcfd8..ef91ca8b53a4 100644
--- a/drivers/nfc/st95hf/core.c
+++ b/drivers/nfc/st95hf/core.c
@@ -220,7 +220,6 @@ struct st95_digital_cmd_complete_arg {
  *     from threaded ISR. Usage of this mutex avoids any race between
  *     deletion of the object from st95hf_remove() and its access from
  *     the threaded ISR.
- * @nfcdev_free: flag to have the state of nfc device object.
  *     [alive | died]
  * @current_protocol: current nfc protocol.
  * @current_rf_tech: current rf technology.
@@ -237,7 +236,6 @@ struct st95hf_context {
        unsigned char sendrcv_trflag;
        struct semaphore exchange_lock;
        struct mutex rm_lock;
-       bool nfcdev_free;
        u8 current_protocol;
        u8 current_rf_tech;
        int fwi;
@@ -822,8 +820,8 @@ static irqreturn_t st95hf_irq_thread_handler(int irq, void  
*st95hfcontext)
                goto end;
        }
 
-       /* if stcontext->nfcdev_free is true, it means remove already ran */
-       if (stcontext->nfcdev_free) {
+       /* if stcontext->ddev is %NULL, it means remove already ran */
+       if (!stcontext->ddev) {
                result = -ENODEV;
                goto end;
        }
@@ -1222,7 +1220,7 @@ static int st95hf_remove(struct spi_device *nfc_spi_dev)
 
        nfc_digital_unregister_device(stcontext->ddev);
        nfc_digital_free_device(stcontext->ddev);
-       stcontext->nfcdev_free = true;
+       stcontext->ddev = NULL;
 
        mutex_unlock(&stcontext->rm_lock);
 
-- 
2.17.1