We cap "nmsgs" at I2C_RDRW_IOCTL_MAX_MSGS (42) but the current code allows negative values. It's harmless but it makes my static checker upset so I've made nsmgs unsigned. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 5d19acf..2cb2fd2 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -680,7 +680,8 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, struct i2c_msg __user *tmsgs; struct i2c_msg32 __user *umsgs; compat_caddr_t datap; - int nmsgs, i; + u32 nmsgs; + int i; if (get_user(nmsgs, &udata->nmsgs)) return -EFAULT; -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
