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| author | Markus Elfring <elfring@users.sourceforge.net> | 2018-02-06 15:39:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-06 18:32:46 -0800 |
| commit | 1acd14bfe9f191dcd80df99f80ec3880a706801e (patch) | |
| tree | e74a973cc4b70b31e59af71b6661a6926bdc5a0b /drivers/rapidio | |
| parent | 002f6f40c8e10547c2d2bc0e96de6d94ca1aa4dc (diff) | |
| download | lwn-1acd14bfe9f191dcd80df99f80ec3880a706801e.tar.gz lwn-1acd14bfe9f191dcd80df99f80ec3880a706801e.zip | |
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>
Diffstat (limited to 'drivers/rapidio')
| -rw-r--r-- | drivers/rapidio/rio.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index 4604410fb001..d095a18257c2 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); |