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Subject[PATCH 4.14 13/49] s390/qeth: fix race when initializing the IP address table
Date
[ Upstream commit 7221b727f0079a32aca91f657141e1de564d4b97 ]

The ucast IP table is utilized by some of the L3-specific sysfs attributes
that qeth_l3_create_device_attributes() provides. So initialize the table
_before_ registering the attributes.

Fixes: ebccc7397e4a ("s390/qeth: add missing hash table initializations")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
---
drivers/s390/net/qeth_l3_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index a19f2dc69e8a..d9830c86d0c1 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -3022,12 +3022,14 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev)
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
int rc;

+ hash_init(card->ip_htable);
+
if (gdev->dev.type == &qeth_generic_devtype) {
rc = qeth_l3_create_device_attributes(&gdev->dev);
if (rc)
return rc;
}
- hash_init(card->ip_htable);
+
hash_init(card->ip_mc_htable);
card->options.layer2 = 0;
card->info.hwtrap = 0;
--
2.19.1


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