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author | Otavio Salvador <otavio@ossystems.com.br> | 2020-05-20 08:43:03 -0300 |
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committer | GitHub <noreply@github.com> | 2020-05-20 08:43:03 -0300 |
commit | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch) | |
tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/pps/pps.c | |
parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
parent | 2ae782ca839e0ee07de37122ddea362adff2e975 (diff) |
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'drivers/pps/pps.c')
-rw-r--r-- | drivers/pps/pps.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c index 2f07cd615665..76ae38450aea 100644 --- a/drivers/pps/pps.c +++ b/drivers/pps/pps.c @@ -129,6 +129,14 @@ static long pps_cdev_ioctl(struct file *file, pps->params.mode |= PPS_CANWAIT; pps->params.api_version = PPS_API_VERS; + /* + * Clear unused fields of pps_kparams to avoid leaking + * uninitialized data of the PPS_SETPARAMS caller via + * PPS_GETPARAMS + */ + pps->params.assert_off_tu.flags = 0; + pps->params.clear_off_tu.flags = 0; + spin_unlock_irq(&pps->lock); break; |