@@ -216,6 +216,8 @@ int solo_set_motion_block(struct solo_dev *solo_dev, u8 ch,
int ret = 0;
buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
for (y = 0; y < SOLO_MOTION_SZ; y++) {
for (x = 0; x < SOLO_MOTION_SZ; x++)
buf[x] = cpu_to_le16(thresholds[y * SOLO_MOTION_SZ + x]);
@@ -1137,11 +1137,13 @@ static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
solo_enc->motion_enabled = ctrl->val > V4L2_DETECT_MD_MODE_DISABLED;
if (ctrl->val) {
if (solo_enc->motion_global)
- solo_set_motion_threshold(solo_dev, solo_enc->ch,
+ err = solo_set_motion_threshold(solo_dev, solo_enc->ch,
solo_enc->motion_thresh);
else
- solo_set_motion_block(solo_dev, solo_enc->ch,
+ err = solo_set_motion_block(solo_dev, solo_enc->ch,
solo_enc->md_thresholds->p_cur.p_u16);
+ if (err)
+ return err;
}
solo_motion_toggle(solo_enc, ctrl->val);
return 0;
@@ -1152,8 +1154,7 @@ static int solo_s_ctrl(struct v4l2_ctrl *ctrl)
break;
case V4L2_CID_OSD_TEXT:
strcpy(solo_enc->osd_text, ctrl->p_new.p_char);
- err = solo_osd_print(solo_enc);
- return err;
+ return solo_osd_print(solo_enc);
default:
return -EINVAL;
}
drivers/media/pci/solo6x10/solo6x10-disp.c:221 solo_set_motion_block() error: potential null dereference 'buf'. (kzalloc returns null) Also propagate this error up the chain. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html