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authorIngo Molnar <[email protected]>2019-11-25 15:43:15 +0100
committerIngo Molnar <[email protected]>2019-11-25 15:43:15 +0100
commit83bae01182ea755280adc1c3a24032d63a614ede (patch)
treef05249057a392e750c0622bbdd3620e19aafd031 /drivers/net/ethernet/renesas/ravb_ptp.c
parentcf25e24db61cc9df42c47485a2ec2bff4e9a3692 (diff)
parent7b8474466ed97be458c825f34a85f2c2b84c3f95 (diff)
Merge branch 'timers/urgent' into timers/core, to pick up fix
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/renesas/ravb_ptp.c')
-rw-r--r--drivers/net/ethernet/renesas/ravb_ptp.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c
index 9a42580693cb..6984bd5b7da9 100644
--- a/drivers/net/ethernet/renesas/ravb_ptp.c
+++ b/drivers/net/ethernet/renesas/ravb_ptp.c
@@ -182,6 +182,13 @@ static int ravb_ptp_extts(struct ptp_clock_info *ptp,
struct net_device *ndev = priv->ndev;
unsigned long flags;
+ /* Reject requests with unsupported flags */
+ if (req->flags & ~(PTP_ENABLE_FEATURE |
+ PTP_RISING_EDGE |
+ PTP_FALLING_EDGE |
+ PTP_STRICT_FLAGS))
+ return -EOPNOTSUPP;
+
if (req->index)
return -EINVAL;
@@ -211,6 +218,10 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp,
unsigned long flags;
int error = 0;
+ /* Reject requests with unsupported flags */
+ if (req->flags)
+ return -EOPNOTSUPP;
+
if (req->index)
return -EINVAL;