[PATCH] usb/gadget: use kasprintf() instead of open coding it

From: Juergen Gross
Date: Mon Oct 10 2016 - 06:18:08 EST


Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
drivers/usb/gadget/composite.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 32176f7..455efec 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2382,18 +2382,8 @@ EXPORT_SYMBOL_GPL(usb_composite_setup_continue);

static char *composite_default_mfr(struct usb_gadget *gadget)
{
- char *mfr;
- int len;
-
- len = snprintf(NULL, 0, "%s %s with %s", init_utsname()->sysname,
- init_utsname()->release, gadget->name);
- len++;
- mfr = kmalloc(len, GFP_KERNEL);
- if (!mfr)
- return NULL;
- snprintf(mfr, len, "%s %s with %s", init_utsname()->sysname,
- init_utsname()->release, gadget->name);
- return mfr;
+ return kasprintf(GFP_KERNEL, "%s %s with %s", init_utsname()->sysname,
+ init_utsname()->release, gadget->name);
}

void usb_composite_overwrite_options(struct usb_composite_dev *cdev,
--
2.6.6