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rapidio: return an error code only as a constant in two functions

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* 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>
This commit is contained in:
Markus Elfring 2018-02-06 15:39:58 -08:00 committed by Linus Torvalds
parent 002f6f40c8
commit 1acd14bfe9
1 changed files with 6 additions and 15 deletions
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21
drivers/rapidio/rio.c
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@ -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);