[PATCH v1] platform/x86: wmi: Replace kmalloc + sprintf() with kasprintf()

From: Andy Shevchenko
Date: Fri Feb 16 2018 - 10:40:32 EST


kasprintf() does the job of two: kmalloc() and sprintf().
Replace two calls with one.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/platform/x86/wmi.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index c0c8945603cb..4e76ffcb5394 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -933,12 +933,11 @@ static int wmi_dev_probe(struct device *dev)
goto probe_failure;
}

- buf = kmalloc(strlen(wdriver->driver.name) + 5, GFP_KERNEL);
+ buf = kasprintf(GFP_KERNEL, "wmi/%s", wdriver->driver.name);
if (!buf) {
ret = -ENOMEM;
goto probe_string_failure;
}
- sprintf(buf, "wmi/%s", wdriver->driver.name);
wblock->char_dev.minor = MISC_DYNAMIC_MINOR;
wblock->char_dev.name = buf;
wblock->char_dev.fops = &wmi_fops;
--
2.16.1