X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fmessage%2Fi2o%2Fi2o_config.c;h=a60c188c2bd937255f60f42920e4b9fbba68cb88;hb=a49fe6d59aae7f7835288df508b709ed2d69cbab;hp=5451beff183ffdf69e24d5d1ca016d11215882a2;hpb=6ed1914982e9cd46e37a6a6aa9e1fd1de6a50bf7;p=~andy%2Flinux

diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index 5451beff183..a60c188c2bd 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -687,6 +687,11 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
 		}
 		size = size >> 16;
 		size *= 4;
+		if (size > sizeof(rmsg)) {
+			rcode = -EINVAL;
+			goto sg_list_cleanup;
+		}
+
 		/* Copy in the user's I2O command */
 		if (copy_from_user(rmsg, user_msg, size)) {
 			rcode = -EFAULT;
@@ -922,6 +927,11 @@ static int i2o_cfg_passthru(unsigned long arg)
 		}
 		size = size >> 16;
 		size *= 4;
+		if (size > sizeof(rmsg)) {
+			rcode = -EFAULT;
+			goto sg_list_cleanup;
+		}
+
 		/* Copy in the user's I2O command */
 		if (copy_from_user(rmsg, user_msg, size)) {
 			rcode = -EFAULT;