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* [PATCH 1/2] usb: gadget: compress return logic into one line
@ 2017-07-10  2:34 Gustavo A. R. Silva
  2017-07-10  2:36 ` [PATCH 2/2] usb: gadget: use unsigned int instead of unsigned in usb_otg_descriptor_alloc() Gustavo A. R. Silva
  0 siblings, 1 reply; 2+ messages in thread
From: Gustavo A. R. Silva @ 2017-07-10  2:34 UTC (permalink / raw)
  To: Felipe Balbi, Greg Kroah-Hartman
  Cc: linux-usb, linux-kernel, Gustavo A. R. Silva

Simplify return logic to avoid unnecessary variable declaration
and assignment.

This issue was detected using Coccinelle and the following
semantic patch:

@@
local idexpression ret;
expression e;
@@

-ret =
+return
     e;
-return ret;

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 drivers/usb/gadget/config.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
index 17a6077..23bfa7d 100644
--- a/drivers/usb/gadget/config.c
+++ b/drivers/usb/gadget/config.c
@@ -207,7 +207,6 @@ EXPORT_SYMBOL_GPL(usb_free_all_descriptors);
 struct usb_descriptor_header *usb_otg_descriptor_alloc(
 				struct usb_gadget *gadget)
 {
-	struct usb_descriptor_header *otg_desc;
 	unsigned length = 0;
 
 	if (gadget->otg_caps && (gadget->otg_caps->otg_rev >= 0x0200))
@@ -215,8 +214,7 @@ struct usb_descriptor_header *usb_otg_descriptor_alloc(
 	else
 		length = sizeof(struct usb_otg_descriptor);
 
-	otg_desc = kzalloc(length, GFP_KERNEL);
-	return otg_desc;
+	return kzalloc(length, GFP_KERNEL);
 }
 EXPORT_SYMBOL_GPL(usb_otg_descriptor_alloc);
 
-- 
2.5.0

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH 2/2] usb: gadget: use unsigned int instead of unsigned in usb_otg_descriptor_alloc()
  2017-07-10  2:34 [PATCH 1/2] usb: gadget: compress return logic into one line Gustavo A. R. Silva
@ 2017-07-10  2:36 ` Gustavo A. R. Silva
  0 siblings, 0 replies; 2+ messages in thread
From: Gustavo A. R. Silva @ 2017-07-10  2:36 UTC (permalink / raw)
  To: Felipe Balbi, Greg Kroah-Hartman
  Cc: linux-usb, linux-kernel, Gustavo A. R. Silva

Prefer unsigned int to bare use of unsigned.

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
 drivers/usb/gadget/config.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
index 23bfa7d..968179d 100644
--- a/drivers/usb/gadget/config.c
+++ b/drivers/usb/gadget/config.c
@@ -207,7 +207,7 @@ EXPORT_SYMBOL_GPL(usb_free_all_descriptors);
 struct usb_descriptor_header *usb_otg_descriptor_alloc(
 				struct usb_gadget *gadget)
 {
-	unsigned length = 0;
+	unsigned int length = 0;
 
 	if (gadget->otg_caps && (gadget->otg_caps->otg_rev >= 0x0200))
 		length = sizeof(struct usb_otg20_descriptor);
-- 
2.5.0

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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2017-07-10  2:34 [PATCH 1/2] usb: gadget: compress return logic into one line Gustavo A. R. Silva
2017-07-10  2:36 ` [PATCH 2/2] usb: gadget: use unsigned int instead of unsigned in usb_otg_descriptor_alloc() Gustavo A. R. Silva

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