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authorMichael Buesch <mb@bu3sch.de>2009-07-19 09:15:19 +0000
committerDavid S. Miller <davem@davemloft.net>2009-07-21 20:36:25 -0700
commit2fc2111c2729462b99b6e37f39a48917054776f5 (patch)
treee8803cdde80db3b3d5e8ecd4e0e90579c44a2073 /drivers/ide/ide-tape.c
parentbc146d23d1358af43f03793c3ad8c9f16bbcffcb (diff)
ide-tape: Don't leak kernel stack information
Don't leak kernel stack information through uninitialized structure members. Signed-off-by: Michael Buesch <mb@bu3sch.de> Acked-by: Borislav Petkov <petkovbb@gmail.com>. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ide/ide-tape.c')
-rw-r--r--drivers/ide/ide-tape.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 013dc595fab..bc5fb12b913 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -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;
break;
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)))