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Thu, 06 Dec 2018 10:37:51 -0800 (PST) Date: Fri, 7 Dec 2018 00:11:39 +0530 From: Souptick Joarder To: akpm@linux-foundation.org, willy@infradead.org, mhocko@suse.com, stefanr@s5r6.in-berlin.de Subject: [PATCH v3 3/9] drivers/firewire/core-iso.c: Convert to use vm_insert_range Message-ID: <20181206184139.GA27514@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181206_103803_662509_43E914D2 X-CRM114-Status: GOOD ( 12.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Convert to use vm_insert_range to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder Reviewed-by: Matthew Wilcox --- drivers/firewire/core-iso.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 35e784c..7bf28bb 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -107,19 +107,8 @@ int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer, struct vm_area_struct *vma) { - unsigned long uaddr; - int i, err; - - uaddr = vma->vm_start; - for (i = 0; i < buffer->page_count; i++) { - err = vm_insert_page(vma, uaddr, buffer->pages[i]); - if (err) - return err; - - uaddr += PAGE_SIZE; - } - - return 0; + return vm_insert_range(vma, vma->vm_start, buffer->pages, + buffer->page_count); } void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel