Commit 2fc2111c authored by Michael Buesch's avatar Michael Buesch Committed by David S. Miller

ide-tape: Don't leak kernel stack information

Don't leak kernel stack information through uninitialized structure members.
Signed-off-by: default avatarMichael Buesch <>
Acked-by: Borislav Petkov <>.
Signed-off-by: default avatarDavid S. Miller <>
parent bc146d23
......@@ -1064,6 +1064,7 @@ static int idetape_blkdev_ioctl(ide_drive_t *drive, unsigned int cmd,
tape->best_dsc_rw_freq = config.dsc_rw_frequency;
case 0x0350:
memset(&config, 0, sizeof(config));
config.dsc_rw_frequency = (int) tape->best_dsc_rw_freq;
config.nr_stages = 1;
if (copy_to_user(argp, &config, sizeof(config)))
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