[PATCH v3 3/7] staging: unisys: cleanup rc -1 in create_visor_device()
Benjamin Romer
benjamin.romer at unisys.com
Tue Feb 23 17:44:16 UTC 2016
Get rid of the rc = -1 initialization. Return a meaningful error on
failure in the function, or, the rc from a called function if it fails.
Signed-off-by: Benjamin Romer <benjamin.romer at unisys.com>
---
v2: Put the goto back in.
v3: sent the wrong version of the patch by mistake.
---
drivers/staging/unisys/visorbus/visorbus_main.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index 0add9ffe..f81da4d 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -973,7 +973,7 @@ EXPORT_SYMBOL_GPL(visorbus_disable_channel_interrupts);
static int
create_visor_device(struct visor_device *dev)
{
- int rc = -1;
+ int rc;
u32 chipset_bus_no = dev->chipset_bus_no;
u32 chipset_dev_no = dev->chipset_dev_no;
@@ -995,6 +995,7 @@ create_visor_device(struct visor_device *dev)
if (!dev->periodic_work) {
POSTCODE_LINUX_3(DEVICE_CREATE_FAILURE_PC, chipset_dev_no,
DIAG_SEVERITY_ERR);
+ rc = -EINVAL;
goto away;
}
@@ -1032,14 +1033,15 @@ create_visor_device(struct visor_device *dev)
if (rc < 0) {
POSTCODE_LINUX_3(DEVICE_REGISTER_FAILURE_PC, chipset_dev_no,
DIAG_SEVERITY_ERR);
- goto away_register;
+ goto away_unregister;
}
list_add_tail(&dev->list_all, &list_all_device_instances);
return 0;
-away_register:
+away_unregister:
device_unregister(&dev->device);
+
away:
put_device(&dev->device);
return rc;
--
2.5.0
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