On 24/10/17 09:25, Kees Cook wrote:
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly.
Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: "Bryan O'Donoghue" pure.logic@nexus-software.ie Cc: Johan Hovold johan@kernel.org Cc: Alex Elder elder@kernel.org Cc: greybus-dev@lists.linaro.org Cc: devel@driverdev.osuosl.org Signed-off-by: Kees Cook keescook@chromium.org
drivers/staging/greybus/loopback.c | 14 ++++---------- drivers/staging/greybus/operation.c | 7 +++---- 2 files changed, 7 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c index 08e255884206..045aaf81113a 100644 --- a/drivers/staging/greybus/loopback.c +++ b/drivers/staging/greybus/loopback.c @@ -572,16 +572,11 @@ static void gb_loopback_async_operation_work(struct work_struct *work) gb_loopback_async_operation_put(op_async); } -static void gb_loopback_async_operation_timeout(unsigned long data) +static void gb_loopback_async_operation_timeout(struct timer_list *t) {
- struct gb_loopback_async_operation *op_async;
- u16 id = data;
- struct gb_loopback_async_operation *op_async =
from_timer(op_async, t, timer);
- op_async = gb_loopback_operation_find(id);
- if (!op_async) {
pr_err("operation %d not found - time out ?\n", id);
return;
- }
Hi Kees, you need to add
gb_loopback_async_operation_get(op_async); when dropping the gb_loopback_operation_find() call here.
schedule_work(&op_async->work); } @@ -631,8 +626,7 @@ static int gb_loopback_async_operation(struct gb_loopback *gb, int type, if (ret) goto error;
- setup_timer(&op_async->timer, gb_loopback_async_operation_timeout,
(unsigned long)operation->id);
- timer_setup(&op_async->timer, gb_loopback_async_operation_timeout, 0); op_async->timer.expires = jiffies + gb->jiffy_timeout; add_timer(&op_async->timer);
diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c index 3023012808d9..ee4ba3f23bef 100644 --- a/drivers/staging/greybus/operation.c +++ b/drivers/staging/greybus/operation.c @@ -294,9 +294,9 @@ static void gb_operation_work(struct work_struct *work) gb_operation_put(operation); } -static void gb_operation_timeout(unsigned long arg) +static void gb_operation_timeout(struct timer_list *t) {
- struct gb_operation *operation = (void *)arg;
- struct gb_operation *operation = from_timer(operation, t, timer);
if (gb_operation_result_set(operation, -ETIMEDOUT)) { /* @@ -541,8 +541,7 @@ gb_operation_create_common(struct gb_connection *connection, u8 type, goto err_request; }
setup_timer(&operation->timer, gb_operation_timeout,
(unsigned long)operation);
}timer_setup(&operation->timer, gb_operation_timeout, 0);
operation->flags = op_flags;
Other than that, the rest looks good to me and you can add my
Reviewed-by: Bryan O'Donoghue pure.logic@nexus-software.ie