This patch remove variables that are initialized with a constant, are never updated, and are only used as parameter of return. Return the constant instead of using a variable. Verified by compilation only. The coccinelle script that find and fixes this issue is: // <smpl> @@ type T; constant C; identifier ret; @@ - T ret = C; ... when != ret when strict return - ret + C ; // </smpl> Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxx> --- drivers/scsi/isci/request.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 56e3809..ecf7924 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -1480,8 +1480,6 @@ static enum sci_status stp_request_pio_await_h2d_completion_tc_event(struct isci_request *ireq, u32 completion_code) { - enum sci_status status = SCI_SUCCESS; - switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): ireq->scu_status = SCU_TASK_DONE_GOOD; @@ -1500,7 +1498,7 @@ stp_request_pio_await_h2d_completion_tc_event(struct isci_request *ireq, break; } - return status; + return SCI_SUCCESS; } static enum sci_status @@ -2103,8 +2101,6 @@ sci_io_request_frame_handler(struct isci_request *ireq, static enum sci_status stp_request_udma_await_tc_event(struct isci_request *ireq, u32 completion_code) { - enum sci_status status = SCI_SUCCESS; - switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): ireq->scu_status = SCU_TASK_DONE_GOOD; @@ -2148,14 +2144,12 @@ static enum sci_status stp_request_udma_await_tc_event(struct isci_request *ireq break; } - return status; + return SCI_SUCCESS; } static enum sci_status atapi_raw_completion(struct isci_request *ireq, u32 completion_code, enum sci_base_request_states next) { - enum sci_status status = SCI_SUCCESS; - switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): ireq->scu_status = SCU_TASK_DONE_GOOD; @@ -2174,7 +2168,7 @@ static enum sci_status atapi_raw_completion(struct isci_request *ireq, u32 compl break; } - return status; + return SCI_SUCCESS; } static enum sci_status atapi_data_tc_completion_handler(struct isci_request *ireq, @@ -3444,7 +3438,6 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide enum sci_status status = SCI_FAILURE_UNSUPPORTED_PROTOCOL; struct isci_request *ireq; unsigned long flags; - int ret = 0; /* do common allocation and init of request object. */ ireq = isci_io_request_from_tag(ihost, task, tag); @@ -3524,5 +3517,5 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide status = SCI_SUCCESS; } - return ret; + return 0; } -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html