drm/radeon/kms: i2c s/sprintf/snprintf/g for safety

As per advice from Jean Delvare.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index d263bd1a0d8053cfa8ca6fdd88c244dc3de378d6..ded2a45bc95cd5f2845b9d32009d98dc00105c5f 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -896,7 +896,8 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
             ((rdev->family <= CHIP_RS480) ||
              ((rdev->family >= CHIP_RV515) && (rdev->family <= CHIP_R580))))) {
                /* set the radeon hw i2c adapter */
-               sprintf(i2c->adapter.name, "Radeon i2c hw bus %s", name);
+               snprintf(i2c->adapter.name, sizeof(i2c->adapter.name),
+                        "Radeon i2c hw bus %s", name);
                i2c->adapter.algo = &radeon_i2c_algo;
                ret = i2c_add_adapter(&i2c->adapter);
                if (ret) {
@@ -905,7 +906,8 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
                }
        } else {
                /* set the radeon bit adapter */
-               sprintf(i2c->adapter.name, "Radeon i2c bit bus %s", name);
+               snprintf(i2c->adapter.name, sizeof(i2c->adapter.name),
+                        "Radeon i2c bit bus %s", name);
                i2c->adapter.algo_data = &i2c->algo.bit;
                i2c->algo.bit.pre_xfer = pre_xfer;
                i2c->algo.bit.post_xfer = post_xfer;
@@ -946,7 +948,8 @@ struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
        i2c->rec = *rec;
        i2c->adapter.owner = THIS_MODULE;
        i2c->dev = dev;
-       sprintf(i2c->adapter.name, "Radeon aux bus %s", name);
+       snprintf(i2c->adapter.name, sizeof(i2c->adapter.name),
+                "Radeon aux bus %s", name);
        i2c_set_adapdata(&i2c->adapter, i2c);
        i2c->adapter.algo_data = &i2c->algo.dp;
        i2c->algo.dp.aux_ch = radeon_dp_i2c_aux_ch;