linux-kernel - [PATCH] char: mspec: Use kvzalloc() in mspec

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Message-Id: <20200827213421.50429-1-efremov@linux.com>
Date:   Fri, 28 Aug 2020 00:34:21 +0300
From:   Denis Efremov <efremov@...ux.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Denis Efremov <efremov@...ux.com>, Arnd Bergmann <arnd@...db.de>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] char: mspec: Use kvzalloc() in mspec_mmap()

Use kvzalloc() in mspec_mmap() instead of open-coding it.

Signed-off-by: Denis Efremov <efremov@...ux.com>
---
 drivers/char/mspec.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index 0fae33319d2e..f8231e2e84be 100644
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -195,10 +195,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma,
 
 	pages = vma_pages(vma);
 	vdata_size = sizeof(struct vma_data) + pages * sizeof(long);
-	if (vdata_size <= PAGE_SIZE)
-		vdata = kzalloc(vdata_size, GFP_KERNEL);
-	else
-		vdata = vzalloc(vdata_size);
+	vdata = kvzalloc(vdata_size, GFP_KERNEL);
 	if (!vdata)
 		return -ENOMEM;
 
-- 
2.26.2