A few new i2c-drivers came into the kernel which clear the clientdata-pointer
on exit or error. This is obsolete meanwhile, the core will do it. Simplify the
kfree() calls after that, the pointers don't need to be checked.

Signed-off-by: Wolfram Sang <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: Andy Walls <[email protected]>
Cc: Jarod Wilson <[email protected]>
Cc: Joe Perches <[email protected]>
---

Compile tested only.

 drivers/staging/lirc/lirc_zilog.c |   28 +++++++++-------------------
 1 files changed, 9 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/lirc/lirc_zilog.c 
b/drivers/staging/lirc/lirc_zilog.c
index 3fe5f41..df1055f 100644
--- a/drivers/staging/lirc/lirc_zilog.c
+++ b/drivers/staging/lirc/lirc_zilog.c
@@ -1214,15 +1214,12 @@ static int ir_remove(struct i2c_client *client)
 
        /* Good-bye Rx */
        destroy_rx_kthread(ir->rx);
-       if (ir->rx != NULL) {
-               if (ir->rx->buf.fifo_initialized)
-                       lirc_buffer_free(&ir->rx->buf);
-               i2c_set_clientdata(ir->rx->c, NULL);
-               kfree(ir->rx);
-       }
+       if (ir->rx && ir->rx->buf.fifo_initialized)
+               lirc_buffer_free(&ir->rx->buf);
+
+       kfree(ir->rx);
 
        /* Good-bye Tx */
-       i2c_set_clientdata(ir->tx->c, NULL);
        kfree(ir->tx);
 
        /* Good-bye IR */
@@ -1388,18 +1385,11 @@ out_unregister:
 out_free_thread:
        destroy_rx_kthread(ir->rx);
 out_free_xx:
-       if (ir->rx != NULL) {
-               if (ir->rx->buf.fifo_initialized)
-                       lirc_buffer_free(&ir->rx->buf);
-               if (ir->rx->c != NULL)
-                       i2c_set_clientdata(ir->rx->c, NULL);
-               kfree(ir->rx);
-       }
-       if (ir->tx != NULL) {
-               if (ir->tx->c != NULL)
-                       i2c_set_clientdata(ir->tx->c, NULL);
-               kfree(ir->tx);
-       }
+       if (ir->rx && ir->rx->buf.fifo_initialized)
+               lirc_buffer_free(&ir->rx->buf);
+
+       kfree(ir->rx);
+       kfree(ir->tx);
 out_free_ir:
        del_ir_device(ir);
        kfree(ir);
-- 
1.7.2.3

_______________________________________________
devel mailing list
[email protected]
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel

Reply via email to