linux-kernel - [PATCH] staging: media: atomisp: use kvmalloc and kvfree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <7ac949fbedccaa86c27db0dd045f10be97ec74b1.1490261637.git.geliangtang@gmail.com>
Date:   Thu, 23 Mar 2017 21:12:39 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daeseok Youn <daeseok.youn@...il.com>,
        Alan Cox <alan@...ux.intel.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        simran singhal <singhalsimran0@...il.com>
Cc:     Geliang Tang <geliangtang@...il.com>, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: media: atomisp: use kvmalloc and kvfree

Use kvmalloc() and kvfree() instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
index 94bc793..c7b9320 100644
--- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_cmd.c
@@ -90,10 +90,7 @@ union host {
 void *atomisp_kernel_malloc(size_t bytes)
 {
 	/* vmalloc() is preferable if allocating more than 1 page */
-	if (bytes > PAGE_SIZE)
-		return vmalloc(bytes);
-
-	return kmalloc(bytes, GFP_KERNEL);
+	return kvmalloc(bytes, GFP_KERNEL);
 }
 
 /*
@@ -118,10 +115,7 @@ void *atomisp_kernel_zalloc(size_t bytes, bool zero_mem)
 void atomisp_kernel_free(void *ptr)
 {
 	/* Verify if buffer was allocated by vmalloc() or kmalloc() */
-	if (is_vmalloc_addr(ptr))
-		vfree(ptr);
-	else
-		kfree(ptr);
+	kvfree(ptr);
 }
 
 /*
-- 
2.9.3