usb: gadget: composite: use kasprintf() instead of open coding it
Let's not reimplement generic kernel helpers,
instead call kasprintf().
[ felipe.balbi@linux.intel.com: better commit log ]
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 919d7d1..41ab61f 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2387,18 +2387,8 @@
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,