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 (file)
--- 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);