2020-09-02 15:48:49

by Alex Dewar

[permalink] [raw]
Subject: [PATCH] staging/emxx_udc: Remove pointless variable assignments

In a number of places in emxx_udc.c, there are variables which are
assigned to without that value ever being used. Remove these pointless
assignments.

Reported-by: kernel test robot <[email protected]>
Fixes: 33aa8d45a4fe ("staging: emxx_udc: Add Emma Mobile USB Gadget driver")
Signed-off-by: Alex Dewar <[email protected]>
---
drivers/staging/emxx_udc/emxx_udc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index d0725bc8b48a..4ceaf1ead123 100644
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -793,7 +793,7 @@ static int _nbu2ss_out_dma(struct nbu2ss_udc *udc, struct nbu2ss_req *req,
u32 dmacnt;
u32 burst = 1;
u32 data;
- int result = -EINVAL;
+ int result;
struct fc_regs __iomem *preg = udc->p_regs;

if (req->dma_flag)
@@ -1288,8 +1288,6 @@ static void _nbu2ss_set_endpoint_stall(struct nbu2ss_udc *udc,

_nbu2ss_bitset(&preg->EP_REGS[num].EP_CONTROL, data);
} else {
- /* Clear STALL */
- ep->stalled = false;
if (ep_adrs & USB_DIR_IN) {
_nbu2ss_bitclr(&preg->EP_REGS[num].EP_CONTROL
, EPN_ISTL);
@@ -1304,6 +1302,7 @@ static void _nbu2ss_set_endpoint_stall(struct nbu2ss_udc *udc,
, data);
}

+ /* Clear STALL */
ep->stalled = false;
if (ep->halted) {
ep->halted = false;
@@ -3073,8 +3072,8 @@ static int nbu2ss_drv_contest_init(struct platform_device *pdev,
*/
static int nbu2ss_drv_probe(struct platform_device *pdev)
{
- int status = -ENODEV;
- struct nbu2ss_udc *udc;
+ int status;
+ struct nbu2ss_udc *udc;
int irq;
void __iomem *mmio_base;

--
2.28.0