@@ -220,8 +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.
* @fwi: frame waiting index, received in reply of RATS according to
@@ -237,7 +235,6 @@ 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;
@@ -820,8 +817,8 @@ 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;
}
@@ -1220,7 +1217,7 @@ 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);
This flag is unneccesary. We can just nullify `ddev' instead after we freed it. Signed-off-by: Daniel Mack <daniel@zonque.org> --- drivers/nfc/st95hf/core.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)