diff options
| author | Rui Miguel Silva <rui.silva@linaro.org> | 2021-08-19 21:09:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-26 14:30:39 +0300 |
| commit | de940244e8987a76d73fb2b0057ecd494cbfeefd (patch) | |
| tree | a86c4219f575ce6341daad260ac260455388aaec /drivers/usb/isp1760 | |
| parent | 7d1d3882fd9da1ee42fe3ad3a5ffd41fb8204380 (diff) | |
| download | linux-de940244e8987a76d73fb2b0057ecd494cbfeefd.tar.xz | |
usb: isp1760: clean never read udc_enabled warning
When CONFIG_USB_ISP1761_UDC is not enabled the udc_enabled variable is
never used since it is short circuited before in the logic operations.
This would trigger the following warning by clang analyzer:
drivers/usb/isp1760/isp1760-core.c:490:2: warning: Value stored to 'udc_enabled' is never read [clang-analyzer-deadcode.DeadStores]
udc_enabled = ((devflags & ISP1760_FLAG_ISP1763) ||
^
drivers/usb/isp1760/isp1760-core.c:490:2: note: Value stored to 'udc_enabled' is never read
Just swap the other of the operands in the logic operations.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20210819180929.1327349-6-rui.silva@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/isp1760')
| -rw-r--r-- | drivers/usb/isp1760/isp1760-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/isp1760/isp1760-core.c b/drivers/usb/isp1760/isp1760-core.c index ff07e2890692..cb70f9d63cdd 100644 --- a/drivers/usb/isp1760/isp1760-core.c +++ b/drivers/usb/isp1760/isp1760-core.c @@ -491,7 +491,7 @@ int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, (devflags & ISP1760_FLAG_ISP1761)); if ((!IS_ENABLED(CONFIG_USB_ISP1760_HCD) || usb_disabled()) && - (!IS_ENABLED(CONFIG_USB_ISP1761_UDC) || !udc_enabled)) + (!udc_enabled || !IS_ENABLED(CONFIG_USB_ISP1761_UDC))) return -ENODEV; isp = devm_kzalloc(dev, sizeof(*isp), GFP_KERNEL); @@ -571,7 +571,7 @@ int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, return ret; } - if (IS_ENABLED(CONFIG_USB_ISP1761_UDC) && udc_enabled) { + if (udc_enabled && IS_ENABLED(CONFIG_USB_ISP1761_UDC)) { ret = isp1760_udc_register(isp, irq, irqflags); if (ret < 0) { isp1760_hcd_unregister(hcd); |