rapidio: return an error code only as a constant in two functions
* Return an error code without storing it in an intermediate variable.
* Delete the label "out" and local variable "rc" which became unnecessary
with this refactoring.
Link: http://lkml.kernel.org/r/8db441e1-c227-64e7-4747-095da63d7a2e@users.sourceforge.net
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index 4604410..d095a18 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -402,13 +402,10 @@ rio_setup_inb_dbell(struct rio_mport *mport, void *dev_id, struct resource *res,
void (*dinb) (struct rio_mport * mport, void *dev_id, u16 src, u16 dst,
u16 info))
{
- int rc = 0;
struct rio_dbell *dbell = kmalloc(sizeof(*dbell), GFP_KERNEL);
- if (!dbell) {
- rc = -ENOMEM;
- goto out;
- }
+ if (!dbell)
+ return -ENOMEM;
dbell->res = res;
dbell->dinb = dinb;
@@ -417,9 +414,7 @@ rio_setup_inb_dbell(struct rio_mport *mport, void *dev_id, struct resource *res,
mutex_lock(&mport->lock);
list_add_tail(&dbell->node, &mport->dbells);
mutex_unlock(&mport->lock);
-
- out:
- return rc;
+ return 0;
}
/**
@@ -563,21 +558,17 @@ int rio_add_mport_pw_handler(struct rio_mport *mport, void *context,
int (*pwcback)(struct rio_mport *mport,
void *context, union rio_pw_msg *msg, int step))
{
- int rc = 0;
struct rio_pwrite *pwrite = kzalloc(sizeof(*pwrite), GFP_KERNEL);
- if (!pwrite) {
- rc = -ENOMEM;
- goto out;
- }
+ if (!pwrite)
+ return -ENOMEM;
pwrite->pwcback = pwcback;
pwrite->context = context;
mutex_lock(&mport->lock);
list_add_tail(&pwrite->node, &mport->pwrites);
mutex_unlock(&mport->lock);
-out:
- return rc;
+ return 0;
}
EXPORT_SYMBOL_GPL(rio_add_mport_pw_handler);