i2c: sun6-p2wi: fix call to snprintf

Fixes possible issue in case pdev name contains formatting characters.

Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Reported-by: Kees Cook <keescook@google.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-sun6i-p2wi.c
index 5d2d67820c9836c9cfd772b16eb1fd2e5ab7fee4..09de4fd12d57b84997d037f32d38ec89137dd35a 100644 (file)
--- a/drivers/i2c/busses/i2c-sun6i-p2wi.c
+++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c
@@ -237,7 +237,7 @@ static int p2wi_probe(struct platform_device *pdev)
        if (IS_ERR(p2wi->regs))
                return PTR_ERR(p2wi->regs);
 
-       snprintf(p2wi->adapter.name, sizeof(p2wi->adapter.name), pdev->name);
+       strlcpy(p2wi->adapter.name, pdev->name, sizeof(p2wi->adapter.name));
        irq = platform_get_irq(pdev, 0);
        if (irq < 0) {
                dev_err(dev, "failed to retrieve irq: %d\n", irq);