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Subject[PATCH] usb: isp1760: Use kasprintf
Date
Use kasprintf instead of combination of kmalloc and sprintf and
therefore avoid unnecessary computation of string length.

Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
---
drivers/usb/isp1760/isp1760-udc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/isp1760/isp1760-udc.c b/drivers/usb/isp1760/isp1760-udc.c
index bac4ef5..c35b153 100644
--- a/drivers/usb/isp1760/isp1760-udc.c
+++ b/drivers/usb/isp1760/isp1760-udc.c
@@ -1456,12 +1456,10 @@ int isp1760_udc_register(struct isp1760_device *isp, int irq,
return ret;

devname = dev_name(isp->dev);
- udc->irqname = kmalloc(strlen(devname) + 7, GFP_KERNEL);
+ udc->irqname = kasprintf(GFP_KERNEL, "%s (udc)", devname);
if (!udc->irqname)
return -ENOMEM;

- sprintf(udc->irqname, "%s (udc)", devname);
-
ret = request_irq(irq, isp1760_udc_irq, IRQF_SHARED | irqflags,
udc->irqname, udc);
if (ret < 0)
--
2.7.4
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