The patch titled pps: locking scheme fix up for PPS_GETPARAMS has been removed from the -mm tree. Its filename was pps-locking-scheme-fix-up-for-pps_getparams.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: pps: locking scheme fix up for PPS_GETPARAMS From: Rodolfo Giometti <giometti@xxxxxxxx> Userland programs may read/write PPS parameters at same time and these operations may corrupt PPS data. Signed-off-by: Rodolfo Giometti <giometti@xxxxxxxx> Tested-by: Reg Clemens <clemens@xxxxxxx> Cc: <stable@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- diff -puN drivers/pps/pps.c~pps-locking-scheme-fix-up-for-pps_getparams drivers/pps/pps.c --- a/drivers/pps/pps.c~pps-locking-scheme-fix-up-for-pps_getparams +++ a/drivers/pps/pps.c @@ -71,9 +71,14 @@ static long pps_cdev_ioctl(struct file * case PPS_GETPARAMS: pr_debug("PPS_GETPARAMS: source %d\n", pps->id); - /* Return current parameters */ - err = copy_to_user(uarg, &pps->params, - sizeof(struct pps_kparams)); + spin_lock_irq(&pps->lock); + + /* Get the current parameters */ + params = pps->params; + + spin_unlock_irq(&pps->lock); + + err = copy_to_user(uarg, ¶ms, sizeof(struct pps_kparams)); if (err) return -EFAULT; _ Patches currently in -mm which might be from giometti@xxxxxxxx are linux-next.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html